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How to check if character is a letter in Javascript?
...z (very few languages are written using only those letters). This is very different from the Java function that was mentioned.
– Jukka K. Korpela
Mar 25 '12 at 19:19
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Check a collection size with JSTL
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<c:if test="${companies.size() > 0}">
</c:if>
This syntax works only in EL 2.2 or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, t...
Initializing a struct to 0
If I have a struct like this:
3 Answers
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Can I restore deleted files (undo a `git clean -fdx`)?
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If you are using an advanced IDE like RubyMine, Eclipse etc, Chances are it would have a local history of deleted files and you might be able to recover them.
– Usman
Oct 16 '15 at 23:52...
How to check if a file exists from inside a batch file [duplicate]
I need to run a utility only if a certain file exists. How do I do this in Windows batch?
3 Answers
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CSS hide scroll bar if not needed
I am trying to figure out how I can hide the overflow-y:scroll; if not needed. What I mean is that I am building a website and I have a main area which posts will be displayed and I want to hide the scroll bar if content does not exceed the current width.
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...ting SQL commands because it is more efficient to SELECT columns you specifically need.
47 Answers
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Set width of a “Position: fixed” div relative to parent div
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I´m not sure as to what the second problem is (based on your edit), but if you apply width:inherit to all inner divs, it works: http://jsfiddle.net/4bGqF/9/
You might want to look into a javascript solution for browsers that you need to support and that don´t support width:inherit
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How to get the max of two values in MySQL?
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Use GREATEST()
E.g.:
SELECT GREATEST(2,1);
Note: Whenever if any single value contains null at that time this function always returns null (Thanks to user @sanghavi7)
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
If I have the following Python code
6 Answers
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