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Aborting a shell script if any command returns a non-zero value?
...the beginning of the script:
set -e
This will cause the shell to exit imm>me m>diately if a simple command exits with a nonzero exit value. A simple command is any command not part of an if, while, or until test, or part of an && or || list.
See the bash(1) man page on the "set" internal com...
Concatenating two std::vectors
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I'd only add code to first get the number of elem>me m>nts each vector holds, and set vector1 to be the one holding the greatest. Should you do otherwise you're doing a lot of unnecessary copying.
– Joe Pineda
Oct 14 '08 at 16:11
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How to insert text at beginning of a multi-line selection in vi/Vim
...mode
Move Up/Downto select the columns of text in the lines you want to
comm>me m>nt.
Then hit Shift+i and type the text you want to insert.
Then hit Esc, wait 1 second and the inserted text will appear on every line.
For further information and reading, check out "Inserting text in multiple lines" in ...
How can I check if a single character appears in a string?
... edited Mar 22 at 12:40
Öm>me m>r Erden
4,58422 gold badges1818 silver badges3333 bronze badges
answered Feb 3 '09 at 5:40
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Getting tim>me m> elapsed in Objective-C
I need to get the tim>me m> elapsed between two events, for example, the appearance of a UIView and the user's first reaction.
7...
SQL WHERE ID IN (id1, id2, …, idn)
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Option 1 is the only good solution.
Why?
Option 2 does the sam>me m> but you repeat the column nam>me m> lots of tim>me m>s; additionally the SQL engine doesn't imm>me m>diately know that you want to check if the value is one of the values in a fixed list. However, a good SQL engine could optimize it to h...
Predicate Delegates in C#
Can you explain to m>me m>:
10 Answers
10
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Multiple left-hand assignm>me m>nt with JavaScript
...onsole.log(window.var2); // 1. Aggh!
Actually this shows that assignm>me m>nt are right associative. The bad example is equivalent to:
var var1 = (window.var2 = (window.var3 = 1));
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impro...
Send response to all clients except sender
To send som>me m>thing to all clients, you use:
10 Answers
10
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How to debug a GLSL shader?
I need to debug a GLSL program but I don't know how to output interm>me m>diate result.
Is it possible to make som>me m> debug traces (like with printf) with GLSL ?
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