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Returning an array using C
...allocating ret)
char *foo(int count) {
char *ret = malloc(count);
if(!ret)
return NULL;
for(int i = 0; i < count; ++i)
ret[i] = i;
return ret;
}
Call it like so:
int main() {
char *p = foo(10);
if(p) {
// do stuff with p
free(p);
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How to get first 5 characters from string [duplicate]
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Thanks, this is what I needed it for: if(substr($myURL, 0, 4) == "www.") $myURL = preg_replace('/www./', '', $myURL, 1);
– shanehoban
Jun 19 '14 at 9:50
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How do you give iframe 100% height [duplicate]
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You can do it with CSS:
<iframe style="position: absolute; height: 100%; border: none"></iframe>
Be aware that this will by default place it in the upper-left corner of the page, but I guess that is what you want to achieve. You can positi...
How to insert tab character when expandtab option is on in Vim
...nsert mode, <CTRL-V> inserts a literal copy of your next character.
If you need to do this often, @Dee`Kej suggested (in the comments) setting Shift+Tab to insert a real tab with this mapping:
:inoremap <S-Tab> <C-V><Tab>
Also, as noted by @feedbackloop, on Windows you ma...
typecast string to integer - Postgres
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Wild guess: If your value is an empty string, you can use NULLIF to replace it for a NULL:
SELECT
NULLIF(your_value, '')::int
share
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How do I copy directories recursively with gulp?
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How do you do this with a specific file extension?
– Chev
Mar 19 '15 at 22:40
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Visual Studio Clicking Find Results Opens Code in Wrong Window
...r I stopped debugging, a new panel was created with this file open in it. If I opened new files, they would open in this new panel. If I close all files in this new panel, opening new files from the "Find In Files" open in the standard code editor window (as long as the app is not running).
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How do I call an Angular.js filter with multiple arguments?
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Would have been nice if you just posted the filter in Javascript
– Obi
May 25 '14 at 4:57
1
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Having links relative to root?
...So doing / will make it relative to www.example.com, is there a way to specify what the root is, e.g what if i want the root to be www.example.com/fruits in www.example.com/fruits/apples/apple.html?
Yes, prefacing the URL, in the href or src attributes, with a / will make the path relative to the ...
Getting image dimensions without reading the entire file
...it seems that something like this should be already there. Also, I’ve verified that the following piece of code reads the entire image (which I don’t want):
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