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Test if a variable is set in bash when using “set -o nounset”
The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option?
6 A...
move_uploaded_file gives “failed to open stream: Permission denied” error
...them globally writable (bad practice).
Check apache process owner: $ps aux | grep httpd. The first column will be the owner typically it will be nobody
Change the owner of images and tmp_file_upload to be become nobody or whatever the owner you found in step 1.
$sudo chown nobody /var/www/html/my...
Abort Ajax requests using jQuery
Is it possible that using jQuery, I cancel/abort an Ajax request that I have not yet received the response from?
17 Answe...
How to capture UIView to UIImage without loss of quality on retina display
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Switch from use of UIGraphicsBeginImageContext to UIGraphicsBeginImageContextWithOptions (as documented on this page). Pass 0.0 for scale (the third argument) and you'll get a context with a scale factor equal to that of the screen.
UIGraphicsBeginImageContext uses a ...
How to print a string in fixed width?
... and correct, but people looking at this should prefer the new format syntax.
You can use string formatting like this:
>>> print '%5s' % 'aa'
aa
>>> print '%5s' % 'aaa'
aaa
>>> print '%5s' % 'aaaa'
aaaa
>>> print '%5s' % 'aaaaa'
aaaaa
Basically:
the % ...
How to measure code coverage in Golang?
....tools subrepository. It can be installed by running
$ go get golang.org/x/tools/cmd/cover
The cover tool does two things.
First, when "go test" is given the -cover flag, it is run automatically to rewrite the source for the package and insert instrumentation statements. The test is ...
Eclipse - java.lang.ClassNotFoundException
When trying to start my JUnit-Test out of Eclipse, I get a "ClassNotFoundException". When running "mvn test" from console - everything works fine. Also, there are no problems reported in Eclipse.
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Running MSBuild fails to read SDKToolsPath
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I had to bite the bullet and install VS 2010 on our build server to fix this issue. As far as I can see, there's no 7.0A version of the Windows SDK available anywhere on MSDN. However, installing VS 2010 appears to install it, creating a 7.0A regkey and a 7.0A folder in Program Files\Microsoft ...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...ou can get the system CPU usage and present it in percent using bash, for example.
5 Answers
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Circular gradient in android
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You can get a circular gradient using android:type="radial":
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient android:type="radial" android:gradientRadius="250dp"
android:startColor="#E9E9E9" android:endColor="#D4D4D4...