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When should we call System.exit in Java
...e sense if you're writing a command line tool, and you want to indicate an error via the exit code rather than just throwing an exception... but I can't remember the last time I used it in normal production code.
share
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Multi-Line Comments in Ruby?
...begin and =end must be at the beginning of the line or
it will be a syntax error.
=end
puts "Hello world!"
<<-DOC
Also, you could create a docstring.
which...
DOC
puts "Hello world!"
"..is kinda ugly and creates
a String instance, but I know one guy
with a Smalltalk background, who
does th...
CKEditor automatically strips classes from div
...
There is a syntax error you had above. Specifically style attributes must be set with curly braches {} instead of parens ()
– kamelkev
Jul 17 '13 at 3:11
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How to run an EXE file in PowerShell with parameters with spaces and quotes
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if using as second example, i get this error: Error: Unrecognized argument '"-source:dbfullsql="""Data'. All arguments must begin with "-".
– Vans
Nov 6 '09 at 11:18
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Staging Deleted files
... git rm doesn't stage already removed files. It throws this error: fatal: pathspec '~.SLDASM' did not match any files. Here are screens with proof: i.imgur.com/cKNKGGe.png i.imgur.com/1p9JdWF.png . First screenshot clearly shows that 2 files are deleted and not staged, second screensh...
How can I make an “are you sure” prompt in a Windows batchfile?
...ers read from STDIN) specified after option /C (and Ctrl+C) and outputs an error beep if the user presses a wrong key.
CHOICE does not require pressing any other key than one of the acceptable ones. CHOICE exits immediately once an acceptable key is pressed while SET /P requires that the user finish...
Create a custom callback in JavaScript
...you do it properly, but it's just worth pointing out because it's a common error.
More advanced stuff
Sometimes you want to call the callback so it sees a specific value for this. You can easily do that with the JavaScript call function:
function Thing(name) {
this.name = name;
}
Thing.protot...
Android OpenGL ES and 2D
... load resource. Context/GL is NULL");
return false;
}
int error;
int textureName = -1;
gl.glGenTextures(1, texture, 0);
textureName = texture[0];
//Log.d(TAG, "Generated texture: " + textureName);
gl.glBindTexture(GL10.GL_TEXTURE_2D, textureName);
gl.glTexP...
How to print colored text in Python?
...e end string at the end.
CRED = '\033[91m'
CEND = '\033[0m'
print(CRED + "Error, does not compute!" + CEND)
This produces the following in bash, in urxvt with a Zenburn-style color scheme:
Through experimentation, we can get more colors:
Note: \33[5m and \33[6m are blinking.
This way we ca...
How do I write the 'cd' command in a makefile?
...
@Beta: well yes, and a dash prefix ignores the error status as well. Maybe I got a little carried away, I wanted to point out the fact that make does echos the command, regardless of what kind of command it is. And in this case, it's a command with no output, which makes ...