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Ternary operator (?:) in Bash
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why the [[ and ]] ? it works just as well like this : [ $b = 5 ] && a="$c" || a="$d"
– kdubs
Oct 29 '14 at 14:57
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How to keep environment variables when using sudo
When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo . However if I type sudo wget it says it can't bypass the proxy setting.
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How to use ScrollView in Android?
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Just make the top-level layout a ScrollView:
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<TableLayout
android:layout_width="matc...
Django: Why do some model fields clash with each other?
...Jul 17 '09 at 10:20
Daniel RosemanDaniel Roseman
521k5151 gold badges699699 silver badges746746 bronze badges
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Modifying the “Path to executable” of a windows service
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There is also this approach seen on SuperUser which uses the sc command line instead of modifying the registry:
sc config <service name> binPath= <binary path>
Note: the space after binPath= is important. You can also query the current configuration using:
sc qc <service na...
Why can't variables be declared in a switch statement?
... switch statement? In C++ you can declare variables pretty much anywhere (and declaring them close to first use is obviously a good thing) but the following still won't work:
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What is a user agent stylesheet?
... page or by the user, the browser still has to render the content somehow, and the user agent style sheet just describes this.
So if you think you have a problem with a user agent style sheet, then you really have a problem with your markup, or your style sheet, or both (about which you wrote nothi...
How do you do natural logs (e.g. “ln()”) with numpy in Python?
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np.log is ln, whereas np.log10 is your standard base 10 log.
Relevant documentation:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log10.html
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Defining and using a variable in batch file
I'm trying to define and use a variable in a batch file. It looks like it should be simple:
3 Answers
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Redeploy alternatives to JRebel [closed]
...allows unlimited class redefinitions at runtime. You can add/remove fields and methods and change the super types of a class at runtime. The features of DCEVM may be integrated in a future update of Java as part of JEP 159.
The binaries available on the original site are limited to Java 6u25 and to...