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Why does String.valueOf(null) throw a NullPointerException?
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Java Specification Language mandates that in these kind of cases, the most specific overload is chosen:
JLS 15.12.2.5 Choosing the Most Specific Method
If more than one member method is both accessible and applicable to a method invocation, it is necessary to choose one to provide the desc...
Actual meaning of 'shell=True' in subprocess
...lling via the shell is that you are not invoking a 'mystery program.' On POSIX, the environment variable SHELL controls which binary is invoked as the "shell." On Windows, there is no bourne shell descendent, only cmd.exe.
So invoking the shell invokes a program of the user's choosing and is plat...
Is it possible to display inline images from html in an Android TextView?
...ew instead. I can see your technique being useful for other similar scenarios, though. Thanks!
– Gunnar Lium
May 28 '10 at 12:58
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How to get a URL parameter in Express?
...issue on getting the value of tagid from my URL: localhost:8888/p?tagid=1234 .
4 Answers
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iOS Image Orientation has Strange Behavior
...specifies the orientation of the image which is generally ignored by other OS but Mac. Most of images taken are having their meta data property set to right angle. So Mac shows it 90 degree rotated manner. You can see the same image in proper way in windows OS.
For more detail read this answer http...
How to get the mouse position without events (without moving the mouse)?
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How to pass a function as a parameter in Java? [duplicate]
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You could use Java reflection to do this. The method would be represented as an instance of j...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...more flexible:
.Attributes(new { style = "width:100%", @class="foo", blip=123 });
This is a pattern used in much of ASP.NET MVC (for example), and has other uses (a caveat, note also Ayende's thoughts if the name is a magic value rather than caller-specific)
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Resuming git-svn clone
I started cloning an SVN repository using the git-svn's clone operation. After about 6 hours of importing (it's a big repo), my computer went and slept on me. Is there a way to resume the operation without redoing all of the initial work?
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
...file via
svn add myfile
you only told svn to put this file into your repository when you do your next commit. There's no change to the repository before you type an
svn commit
If you delete the file before the commit, svn has it in its records (because you added it) but cannot send it to the r...