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Does “display:none” prevent an image from loading?
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This answer is only partially correct. I just tested this on Google Chrome (v35) and I can confirm that images with display set to none are not downloaded. This is probably to make responsive design easier on the developer.
– Shawn Whinnery
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How do I compare two string variables in an 'if' statement in Bash? [duplicate]
...ngimed, [ is a command (actually, an alternate name for the command called test); if you run which [, you'll see there's actually an executable file for it on disk (even though the shell may provide a built-in implementation as a performance optimization). Just like you have to put a space between t...
Copy file remotely with PowerShell
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It's much easier this way.
Copy-Item -Path \\serverb\c$\programs\temp\test.txt -Destination \\servera\c$\programs\temp\test.txt;
By using UNC paths instead of local filesystem paths, you help to
ensure that your script is executable from any client system with
access to those UNC path...
Allowed characters in Linux environment variable names
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My quick testing showed that they basically follow the same rules as C variable names do have, namely
a-z, A-Z, _ and 0-9
May NOT begin with a number
So this excludes . inside them. Any illegal variable name is credited with unkno...
Ternary operator is twice as slow as an if-else block?
... {
34: if (i > 0)
00000088 85 C0 test eax,eax
0000008a 7E 08 jle 00000094
35: {
36: value += 2;
0000008c 83 C3 02 add ebx,2
0000008f 83 D7 00 ...
How to identify all stored procedures referring a particular table
I created a table on development environment for testing purpose and there are few sp's which are refreing this table. Now I have have to drop this table as well as identify all sp's which are referring this table. I am facing difficulty to find list of all sp's. Please suggest some query by assumin...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
...s to a Samsung and the app I was working on is no longer active so I can't test it out.
– Matt K
Dec 1 '14 at 15:49
3
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Using print statements only to debug
...g statements like:
debug('My value: %d' % value)
...then I pick up unit testing and never did this again! :)
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Check number of arguments passed to a Bash script
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Just like any other simple command, [ ... ] or test requires spaces between its arguments.
if [ "$#" -ne 1 ]; then
echo "Illegal number of parameters"
fi
Or
if test "$#" -ne 1; then
echo "Illegal number of parameters"
fi
Suggestions
When in Bash, prefer using [[...
How to execute a Ruby script in Terminal?
...call ruby your_program.rb, I get this: ruby: No such file or directory -- testapp.rb (LoadError)
– Tom Maxwell
Jan 4 '12 at 2:53
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