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Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”
...if you are happy with the default web.xml then don't write one yourself at all.
– Ustaman Sangat
Oct 17 '12 at 16:07
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What is the use for IHttpHandler.IsReusable?
...he same IHttpHandler instance. By default at the end of a request pipeline all http handlers that are placed in the handlerRecycleList of the HttpApplication are set to null. If a handler is reusable it will not be set to null and the instance will be reused in the next request.
The main gain is pe...
What is difference between width, innerWidth and outerWidth, height, innerHeight and outerHeight in
... not border
outerWidth / outerHeight - includes padding, border, and optionally margin
height / width - element height (no padding, no margin, no border)
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What is the difference between syntax and semantics in programming languages?
...he language. It answers the question: how do I construct a valid sentence? All languages, even English and other human (aka "natural") languages have grammars, that is, rules that define whether or not the sentence is properly constructed.
Here are some C language syntax rules:
separate statement...
Debug a java application without starting the JVM with debug arguments
Normally to attach a debuger to a running jvm you would need start the jvm with arguments such as the following:
5 Answers
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Is there a way of having git show lines added, lines changed and lines removed?
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If all of your files are staged for commit, to see the --numstat go like this:
git diff --numstat HEAD~
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SQL how to increase or decrease one for a int column in one command
... x=1, y=2
They both can handle your question. However, the first syntax allows for more flexibility to update the record rather than just replace it (as the second one does).
Keep in mind that for both to exist, there has to be a UNIQUE key defined...
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How do I get out of a screen without typing 'exit'?
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yes, you generally do have a tl;dr moment with the man command. so when you have a tl;dr when doing man command_name, in this case man screen, you can generally access a shorter & pretty helpful version of the docs by --help option, ...
Creating temporary files in bash
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The mktemp(1) man page explains it fairly well:
Traditionally, many shell scripts take the name of the program with
the pid as a suffix and use that as a temporary file name. This kind
of naming scheme is predictable and the race condition it creates is
easy for an attacker t...
How to forward declare a C++ template class?
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I disagree. The standard says: "A template-parameter shall not be given default arguments by two different declarations in the same scope". And I found nothing about defaults in the first declaration only. Also the code with the forward declaration and defaults in the definition ...