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How to create a directory in Java?
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-1: That is actually a really bad technique to create a directory. The access to the FS is not reserved to a dedicated resource. Between if(!theDir.exists()) and theDir.mkdir() the status could have changed, as well as it could change in bet...
Difference between .on('click') vs .click()
....on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert">alert!</button>
</div>
<...
How to send a stacktrace to log4j?
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I never know what to stuff into the first String, usually I just end up doing log.error(e.getLocalizedMessage(), e) which is totally redundant. Does it handle a null for the first argument?
– Mark Peters
Dec 3 '10 at 16:52
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How do I access call log for android?
I would like to receive the call log. For example the number of calls made by the user, number of minutes called, etc.
10 ...
BigDecimal - to use new or valueOf
...it is actually equal to 0.1000000000000000055511151231257827021181583404541015625. This is because 0.1 cannot be represented exactly as a double (or, for that matter, as a binary fraction of any finite length). Thus, the value that is being passed in to the constructor is not exactly equal to 0.1, a...
Remove local git tags that are no longer on the remote repository
...cript to compare the tags generated by this list with the tags you have locally. Take a look at git show-ref --tags, which generates the tag names in the same form as git ls-remote).
As an aside, git show-ref has an option that does the opposite of what you'd like. The following command would l...
Where is the list of predefined Maven properties
I know there is a list of all predefined Maven properties (you know like project.build.sourceEncoding , or project.build.sourceDirectory ). I once saw the list but I just can't find it again.
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git difftool, open all diff files immediately, not in serial
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This feature works well with Meld 3.14.2 for example, and lets you browse all modified files:
git difftool --dir-diff --tool=meld HEAD~ HEAD
This is a handy Bash function:
git-diff-meld() (
git difftool --dir-diff --tool=meld "${1:-HEAD~}" "${2:-HEAD}"
)
The answer that follows applies to g...
Where is the WPF Numeric UpDown control?
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answered Feb 18 '13 at 16:01
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Python pip install fails: invalid command egg_info
I find that recently often when I try to install a Python package using pip , I get the error(s) below.
15 Answers
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