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How to show “if” condition on a sequence diagram?

I was wondering, how can one represent " if " statement on a sequence diagram? 4 Answers ...
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Why is lock(this) {…} bad?

... It is bad form to use this in lock statements because it is generally out of your control who else might be locking on that object. In order to properly plan parallel operations, special care should be taken to consider possible deadlock situations, a...
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How to create query parameters in Javascript?

Is there any way to create the query parameters for doing a GET request in JavaScript? 11 Answers ...
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Remove querystring from URL

What is an easy way to remove the querystring from a Path in Javascript? I have seen a plugin for Jquery that uses window.location.search. I can not do that: The URL in my case is a variable that is set from AJAX. ...
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Generating a SHA-256 hash from the Linux command line

I know the string "foobar" generates the SHA-256 hash c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2 using http://hash.online-convert.com/sha256-generator ...
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Why '&&' and not '&'?

... In most cases, && and || are preferred over & and | because the former are short-circuited, meaning that the evaluation is canceled as soon as the result is clear. Example: if(CanExecute() && CanSave()...
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Underscore vs Double underscore with variables and methods [duplicate]

Somebody was nice enough to explain to me that __method() mangles but instead of bothering him further since there are a lot of other people who need help I was wondering if somebody could elaborate the differences further. ...
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initialize a numpy array

Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do: ...
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Using Chrome's Element Inspector in Print Preview Mode?

I am working on developing a website and need to work on the print view. Typically when I have layout issues I use Chrome's Element Inspector. However this does not exist in print preview mode. ...
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What open source C++ static analysis tools are available? [closed]

Java has some very good open source static analysis tools such as FindBugs , Checkstyle and PMD . Those tools are easy to use, very helpful, runs on multiple operating systems and free . ...