2021년 8월 3일 화요일

GB Technique: Clock Choke & Turtle Attack from GB1

GB Technique: Clock Choke & Turtle Attack from GB1

This week on GB Technique we are going to look at 2 techniques from the GB1 Online taught by Master Carlos Gracie Jr. – taught by Prof’s Marcio Feitosa and Flavio Almeida.
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Prof. Marcio started training at the original Gracie Barra school in Barra de Tijuca, Rio de Janeiro in 1988 with Master Carlos all the way from his white belt to his black belt. Prof. Marcio shares some memories of those early training where Master Carlos promoted the values of brotherhood, safety, and developing well-rounded jiu-jitsu.
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Have you checked out the GB Online Instagram account?
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The technique portion of the video starts around 6:30 time remaining in the video.
Prof. Marcio Feitosa and Prof. Flavio Almeida get together to teach 2 techniques from the GB1 Curriculum.
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1- Prof. Marcio finds himself in the Turtle Top position on his opponent. Just because you have progressed to Turtle Top doesn’t mean that it is going to be easy for you to insert your hooks and get the Back Mount. When your opponent is in a tight, defensive turtle, it can be a challenge to attack them without losing your position.
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Instead of simply jumping on the opponent’s back and hoping to find space for his hooks, Prof. Marcio secures a grip on the wrist of Prof. Flavio and a solid lapel grip with his other hand. Note that Prof. Marcio circles to the opposite side of the opponent to find the room to insert the first hook and initiate a roll. During the roll, an opening is created for Prof. Marcio to get the second hook and score 4 points for Back Mount.
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2- Clock Choke – Prof. Marcio demonstrates a variation from the same initial position and grips, but the opponent in turtle is blocking that first hook from entering. Without the hooks, Prof. Marcio can not get the Back Mount but instead attacks with the powerful “Clock Choke” (aka “Relogio” in Portuguese). We see the Clock Choke at the highest levels of competition.
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“As I go for the choke, my weight distribution is key,” says Prof. Marcio as he emphasizes keeping your weight and pressure on the opponent. The circling motion of the feet is what tightens the choking grip and also gives the Clock Choke its name.
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A final detail is that Prof. Marcio uses the wrist grip he has on Prof. Flavio to break down his ability to post on that arm and Prof. Marcio can force Prof. Flavio’s shoulder down to the mat.
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See also on GB Technique: Connecting Open Guards
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Writer: Mark Mullen, Gracie Barra Black Belt
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2021년 7월 26일 월요일

GB Technique: Head and Arm Choke: Attack and Escape

GB Technique: Head and Arm Choke: Attack and Escape

This week on GB Technique we are going to look at a pair of techniques from the perspective of both the attack and then the counter and escape.
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Have you checked out the GB Online Instagram account?
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In order to truly master a technique, we must study both sides of the move: the attack and the counter to the submission. Two of Gracie Barra’s top instructors share their techniques to help you level up your Head and Arm chokes.
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Attack
Prof. Kendall Reusing is one of Gracie Barra’s most active and successful competitors. Prof. Reusing is known for her dangerous Head and Arm Choke (Kata gatame). In this video, Prof. Reusing shares her 3 keys to correcting common mistakes with the Arm Triangle choke and getting the tap.
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The most common mistake most students make with the Head and Arm Choke is trying to squeeze as hard as possible using arm strength. Prof. Reusing shows those important micro-adjustments that take away space and force the opponent to “tap or nap”.
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Counter
Prof. Joe Scarola of GB Jupiter
“Answer the phone” block the choke. But it isn’t enough to merely stall the choke and wait for the timer to go offending the round.
We should be looking to advance our position and escape altogether.
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Prof. Scarola uses the fundamental elbow-to-knee escape to catch his opponent’s leg in a half guard. Now Prof. Scarola can utilize the strength of his legs to push the opponent away and prevent the top opponent from applying their full pressure in the choke. Next, Prof. Scarola transitions to the back and has completely reversed the course of the match.
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See also on GB Technique: Connecting Open Guards
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Writer: Mark Mullen, Gracie Barra Black Belt
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2021년 7월 19일 월요일

GB Technique: Knee on the Belly with Prof. Marcio Feitosa

GB Technique: Knee on the Belly with Prof. Marcio Feitosa

This week on GB Technique we are going to look in-depth at the control and attack from the Knee on the Belly KOB position with one of Gracie Barra’s most detailed instructors – Prof. Marcio Feitosa.
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Have you checked out the GB Online Instagram account?
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1- Control the opponent as you transition to the KOB position. If we allow too much space for our opponents in the transition from side mount to KOB, the opponent has an opportunity to capture our leg in their half guard and we lose the position.
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2- Eliminate the opponent’s defensive frames using your leg like an extra arm. Notice the opponent is using his right arm as a frame to reduce Prof. Marcio’s ability to remove the space and place his weight on the bottom guy. Prof. Marcio uses the “wrong” leg to pop up and pin that defensive arm to the mat, thereby removing one of their strongest points of defense.
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3- Note that Prof. Marcio uses strategic grips on the belt and collar to limit the movement of his opponent’s hips and eliminate their ability to replace the guard. Prof. Marcio uses his grip on the opponent’s belt like a lever to kill the movement of the hips.
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4- The Step Over choke. This is a sneaky submission that your opponent is unlikely to see coming. Pay attention to the collar grip. Prof. Marcio positions the sharp edge of his wrist bone on the side of the opponent’s neck – creating the tightest possible choke.
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By stepping over, Prof. Marcio can use the strength of his leg as the second direction of the force in the choke, which makes this a very powerful choke!
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5- If the opponent defends by pushing the step-over leg off of his neck, Prof. Marcio accepts that he doesn’t have the choke and simply returns to his original KOB control position. The opponent is rapidly fatiguing by this point.
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6- Prof. Marcio also demonstrates two additional attack options if the opponent reacts by pushing away with their arms: the nearside straight armbar and the fsr side Americana / ude garami shoulder lock.
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See also on GB Technique: Connecting Open Guards
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Writer: Mark Mullen, Gracie Barra Black Belt
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GB Technique: Gripping and Takedown Strategies

GB Technique: Gripping and Takedown Strategies

This week on GB Technique we are going to look at some more advanced ideas for gripping and performing takedowns in the standing position with Prof. Flavio Almeida
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Takedowns for jiu-jitsu might be the weak point in the game of more BJJ students than any other aspect of jiu-jitsu. Let’s look at some ideas to level up your standing game.
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Have you checked out the GB Online Instagram account?
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Takedown strategy with Prof. Flavio Almeida
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Grip fighting is important!
Many lesser experienced standup grapplers simply allow their opponents to grip them and, in turn, just take whatever grips they can easily grab on their opponent. This casual approach simply will not do!
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You have two main goals when grip fighting.
A- The first is to fight for the offensive grips that you want in order to execute your strongest offensive techniques.
B- The second is to deny your opponent any of the grips that they want (ex. a strong collar grip) and ensuring your own defense
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In a nutshell, Prof. Flavio sums up – to be able to control your opponent without them controlling you.
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Grip Breaking Strategies
1- Distract your opponent by attacking with a foot sweep and use the momentary distraction to break the strong lapel grip
2- Use your second free hand to knock the opponent’s grip free
3- Use a coordinated body action to pop the opponent’s grip off of your lapel
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Now that you have your offensive grip and denied/broken your opponents what are your favorite takedown options? Prof. Flavio suggests trying and finding the techniques that work best for your level and body type.
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Prof. Flavio shares his favorite takedown techniques:
1- The ko-uchi-gari / minor inside trip. This is not unlike a boxer’s jab and used to set up secondary techniques. Especially good on much larger opponents.
2- Combinations. Here, Prof. Flavio initially attacks with an o-uchi+gari / major inside trip. When the opponent reacts by stepping out, Prof. Flavio enters with a yoko-tomoe-nage / side sacrifice throw to get underneath the opponent for the throw. There are dozens of possible, effective combinations and you must experiment in order to find one that clicks for you.
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See also on GB Technique: Connecting Open Guards
Writer: Mark Mullen, Gracie Barra Black Belt
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2021년 7월 15일 목요일

APACHE ZEPPELIN DYNAMIC FORM 고급 응용


APACHE ZEPPELIN DYNAMIC FORM 고급 응용

제목은 거창하지만, 실제론 dynamic form 메뉴얼의 부실함을 보강하고자 포스팅 함.

jdbc 는 지난번 글을 잘 따라 했으면 별 이상이 없을 것이다.

그리고 zeppelin의 dynamic form이란걸 써보면.. (아래 링크 가서 좀 보고 오자!)

https://zeppelin.apache.org/docs/0.9.0/usage/dynamic_form/intro.html

오~~! 귀찮은 검색 항목 만드는 거 안해도 되네?

텍스트 입력에, 셀렉트, 비번, 거기다가 체크박스 까지!!!


오늘도 삽질의 대가는 열심히 삽질을 합니다..

사실.. 오늘이 아니라.. 1달 넘었습니다.


진짜.. 메뉴얼이 너무 부실해서.. 환장하겠음..

그리고 기본 설명이 $를 사용하는 거만 나와서리..

응용을 어떻게 해야하는 막연함이 느껴진다.

기본 응용 (해당 내용들도 여기저기 흩어져 있어서 찾기도 힘들다..)

https://zeppelin.apache.org/docs/0.9.0/interpreter/python.html



1. noteTextbox 에 placeholder 처럼 기본 값을 표시하고 싶다.

z.noteTextbox("최초입고시작일", "YYYYMMDD");
(입력 폼 이름, 기본값) 의 형태로 작성

2. noteSelect 사용 방법
기본은 z.noteSelect("f2",[("o1","1"),("o2","2")],"o1") 형식으로
(입력 폼 이름, 옵션항목, 기본값) 의 형태로 작성
좀 더 응용을 하면.

arrRetYear = [("2021","2021"),("2020","2020"),("2019","2019"),("2018","2018"),("2017","2017"),("2016","2016")]; 
selRetYear = z.noteSelect("조회년도", arrRetYear, "2021"); 
arrChkOpt2 = [("N","미출력"), ("Y","출력"), ] 
selChkOpt2 = z.noteSelect("합계출력", arrChkOpt2);
이런 식으로 옵션의 항목을 따로 코드로 작성하고 할당하는 식으로 코드를 작성했다.


3. noteCheckbox 사용 방법이 항목이 제일 난관이었음.
메뉴얼에는 $를 사용하는 것만 있음.
내가 하고 싶었던건 공통으로 체크 입력 항목을 놓고
선택된 것들에 대한 집계를 내려고 했으나,
이상하게 Class Cast 오류만 신나게 뿜어 댐.
물론 쿼리 안에다가 $를 사용하는 것은 잘 됐음.
엄청 삽질하다가 결국 알아낸 것.


가. 일단 공통으로 쓸 체크박스 폼을 python 에서 작성한다. (매우 중요!)

arrRetYear = [("2021","2021"),("2020","2020"),("2019","2019"),("2018","2018"),("2017","2017"),("2016","2016")]; 
selRetYear = z.noteCheckbox("조회년도", arrRetYear, "2021");

위의 예를 보면.. 셀렉트와 완전 같다. 기본값 지정하는 것도.

나. python으로 작성된 paragraph를 미리 한번 실행해서 공통 입력을 받을 체크박스 폼을 생성한다.

다. jdbc를 연동한 paragraph 에 체크박스 폼의 값을 사용하는 곳에 입력을 한다.

$${checkbox(:):조회년도=,2021|2020|2019|2018|2017|2016}'


위의 예제설명:

{checkbox(구분자):폼양식명(python에서 사용한것과 일치!)=기본값(여기선 선택안함),체크박스 배열의 key 또는 이름}

여기서 제일 마지막 항목의 체크박스 배열의 key 또는 이름은 두개다 사용해 봤는데,
키 값을 넣던, 이름을 넣던 상관없이 python에서 준 코드 값으로 넘어갔다.

4. paragraph를 연속적으로 실행
지난번에 z.run(paragraphId) 로 해당 paragraph를 실행하라고 했는데, 3가지 선택사항이 있다.

가. z.run(paragraphId) : 해당 paragraph 1개 실행
나. z.run(noteId, paragraphId) : 해당 note의 해당 paragraph 1개 실행
다. z.runNote(noteId) : 해당 note의 모든 paragraph 실행

디버깅 할 때는 z.run이 편하고, 완성하고 runNote로 교체하니 코드가 깔끔하게 정리가 됐다.
참고로, 메뉴얼에 z.run 이라고 써 있다고 그대로 하면 안된다.. z.z.run 이라고 해야 함. 
(；￣Д￣）
z.runNote 는 z.z 라고 안해도 됨.. (이게 뭐냐...)

후기.
메뉴얼이 너무 부실해서 저 체크박스 알아내는데, 정말 오래 걸렸다.
나온지 꽤 된 걸로 알고 있는데도 아직도 메뉴얼이 엉망진창이다.
이후에 개발하시는 분들은 이걸 보고 그나마 조금이라도 고생을 덜 하시길...
〜(￣▽￣〜)
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2021년 7월 5일 월요일

GB Technique: 시합용 테이크다운과 반격

GB Technique: 시합용 테이크다운과 반격

이번 주 GB 테크닉에선 BJJ 시합에서 보이는 가장 효과적인 테이크다운 몇가지를 살펴보고 가장 일반적인 공격 몇가지를 방어하는 방법을 살펴보겠다.
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주짓수 용 테이크다운은 (반칙성 잡기에 대한 많은 규칙이 있는) 유도나 (도복 잡기나 서브미션 처리가 부족한 - 예. 주짓수의 길로틴 초크) 레슬링 같은 다른 잡기 무술의 테이크다운과는 몇가지 중요한 차이점이 있다.
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Have you checked out the GB Online Instagram account?
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1- Marcio Feitosa 사범은 싱글-레그 테이크다운을 한다. 싱글-레그 테이크다운은 모든 경기 규칙 모음에서 가장 높은-점수를 받는 것 중 하나이다
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2- Marcio Feitosa 사범의 싱글 레그 반격. 동작을 이해하려면, 방어에서 공격 동작까지 숙달해야 한다
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3- 암 드래그 반격

간단한 팔 당기기 (암 드래그)는 최고 수준의 경기에서 사용되며 모든 주짓수 수련생들은 동작 원리와 방어법을 이해해야 한다 - Philipe 사범이 방법을 시연한다
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4- Marcio 사범은 서서하는 잡기의 미묘하면서 과소평가된 관점을 보여준다 – 상대의 다리에 싱글 레그를 하기 위한 손 싸움
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GB 테크닉에서 다른 것도 봐라: 오픈 가드 연결
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Writer: Mark Mullen, Gracie Barra Black Belt
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GB Technique: Knee on Belly Sequence with Prof. Marcio Feitosa

GB Technique: Knee on Belly Sequence with Prof. Marcio Feitosa

This week on GB Technique we are going to look in detail at a 180-degree armbar and other attacks from the knee on the belly (KOB) position by 6th-degree black belt Prof. Marcio Feitosa
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Have you checked out the GB Online Instagram account?
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Let’s take a look at some options from KOB where Prof. Marcio transitions between different attacks depending on the opponent’s reaction.
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1 – KOB 180 degrees arm lock – 1 / 3
Prof. Marcio Feitosa enters directly to the knee on the belly position after the Bullfighter Guard pass. When the opponent pushes on Prof. Marcio’s knee to relieve the pressure, it exposes the arm for the attack
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2 – KOB to Kimura lock – 2/3
If the opponent defends their arm by gripping their own gi/belt, Prof. Marcio switches his grip to a Kimura grip and changes his attack
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3 – KOB nearside straight arm lock – 3/3
The opponent may react by pushing higher on the chest – which exposes their near sidearm for a straight armbar attack. Note how Prof. Marcio balances his weight so he can slide his right leg tight up against the shoulder of his opponent
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What is your favorite KOB attack?
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See also on GB Technique: Connecting Open Guards
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Writer: Mark Mullen, Gracie Barra Black Belt
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[낯선] 2026.06.20 이태원 MZK MuzikBar 공연

간만의 공연 이태원 비틀즈가 이전하여 MZK MuzikBar 로 새 단장 오픈을 한 뒤로 2번째 공연 새 베이시스트가 합류한 뒤로 첫 공연이기도 함.. 이래저래 틀린 부분도 많지만.. 그래도 간만에 그럭저럭 잘했다.. https://www.youtub...