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Check if a String contains numbers Java
I'm writing a program where the user enters a String in the following format:
14 Answers
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In Java, what does NaN mean?
...to produce
some undefined result. For example,
0.0 divided by 0.0 is arithmetically undefined. Taking the square root of a
negative number is also undefined.
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How do I move files in node.js?
...hell) on node.js? Is there any method for that or should I read a file, write to a new file and remove older file?
15 Answ...
How to create a shared library with cmake?
I have written a library that I used to compile using a self-written Makefile, but now I want to switch to cmake. The tree looks like this (I removed all the irrelevant files):
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How can you speed up Eclipse?
How can you make the experience with Eclipse faster?
41 Answers
41
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The first day of the current month in php using date_modify as DateTime object
I can get the Monday of this week with:
11 Answers
11
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twitter bootstrap typeahead ajax example
I'm trying to find a working example of the twitter bootstrap typeahead element that will make an ajax call to populate it's dropdown.
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What's the purpose of META-INF?
...where I think Ant really excels: specifying JAR file manifest attributes. It's very easy to say something like:
<jar ...>
<manifest>
<attribute name="Main-Class" value="MyApplication"/>
</manifest>
</jar>
At least, I think that's easy... :-)
The po...
Should JAVA_HOME point to JDK or JRE?
I pointed the JAVA_HOME to C:\Program Files (x86)\Java\jre7 . It works fine. Afterwards, I unzipped ant and set up the environment variables related to Ant, I got the following error messages after typing "ant -version"
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C++0x has no semaphores? How to synchronize threads?
Is it true that C++0x will come without semaphores? There are already some questions on Stack Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread:
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