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Python Script execute commands in Terminal
... answered Sep 16 '10 at 21:32
Uku LoskitUku Loskit
35.7k88 gold badges7979 silver badges8787 bronze badges
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Why do you need to put #!/bin/bash at the beginning of a script file?
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It's a convention so the *nix shell knows what kind of interpreter to run.
For example, older flavors of ATT defaulted to sh (the Bourne shell), while older versions of BSD defaulted to csh (the C shell).
Even today (where most systems run bash, the "Bourne A...
Looping in a spiral
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Marco Bonelli
41.5k1616 gold badges8585 silver badges9999 bronze badges
answered Dec 29 '08 at 18:41
Can Berk GüderCan...
Checking from shell script if a directory contains files
From a shell script, how do I check if a directory contains files?
26 Answers
26
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How do I concatenate two strings in C?
...(s2) + 1); // +1 for the null-terminator
// in real code you would check for errors in malloc here
strcpy(result, s1);
strcat(result, s2);
return result;
}
This is not the fastest way to do this, but you shouldn't be worrying about that now. Note that the function returns a block o...
How to Flatten a Multidimensional Array?
... answered Aug 24 '09 at 2:39
VolkerKVolkerK
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How to make blinking/flashing text with CSS 3
... ends on 100%, so instead just set opacity to 0 at 50% and the rest will take care of itself.
Demo
.blink_me {
animation: blinker 1s linear infinite;
}
@keyframes blinker {
50% {
opacity: 0;
}
}
<div class="blink_me">BLINK ME</div>
Here, I am setting the ...
C fopen vs open
...dopen in that list is incorrect and confusing because it isn't very much like the others. I will now proceed to ignore it because the important distinction here is between a C standard FILE * and an OS-specific file descriptor.
There are four main reasons to use fopen instead of open.
fopen provi...
How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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How to change the cursor into a hand when a user hovers over a list item?
I've got a list, and I have a click handler for its items:
23 Answers
23
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