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Detecting if an NSString contains…?
...
Here's how I would do it:
NSString *someString = @"Here is my string";
NSRange isRange = [someString rangeOfString:@"is " options:NSCaseInsensitiveSearch];
if(isRange.location == 0) {
//found it...
} else {
NSRange isSpacedRange = [someString rangeOfString:@" is " options:NSCaseInsensitiveSe...
How to get a list of all valid IP addresses in a local network? [closed]
...r more commonly
nmap -sn 192.168.1.0/24
will scan the entire .1 to .254 range
This does a simple ping scan in the entire subnet to see which hosts are online.
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Why does direction of index matter in MongoDB?
...The order of the nodes in the tree is irrelevant.
If you are returning a range of nodes - The elements close to each other will be down the same branches of the tree. The closer the nodes are in the range the quicker they can be retrieved.
With a single field index - The order won't matter. If ...
Does Java have a complete enum for HTTP response codes?
...art of the standard library but unfortunately it's incomplete - in the 400 range for example it cuts off at 415.
– tschumann
May 1 at 2:46
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Copy and paste content from one file to another file in vi
...
Use the variations of d like dd to cut.
To write a range of lines to another file you can use:
:<n>,<m> w filename
Where <n> and <m> are numbers (or symbols) that designate a range of lines.
For using the desktop clipboard, take a look at the +g co...
How do you determine the size of a file in C?
...eturn long int from ftell(). (unsigned long) casting does not improve the range as already limited by the function. ftell() return -1 on error and that get obfuscated with the cast. Suggest fsize() return the same type as ftell().
– chux - Reinstate Monica
J...
Generate random numbers with a given (numerical) distribution
...yword parameter to numpy.random.choice(), e.g.
numpy.random.choice(numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2])
If you are using Python 3.6 or above, you can use random.choices() from the standard library – see the answer by Mark Dickinson.
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Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...eError: 'ascii' codec can't decode byte 0xc3 in position 0: ordinal not in range(128)
The failure comes from the fact that author does not contain only ASCII bytes (i.e. with values in [0; 127]), and unicode() decodes from ASCII by default (on many machines).
A robust solution is to explicitly gi...
Using jquery to get element's position relative to viewport
... @return {array} An array containing both X and Y positions as a number
* ranging from 0 (under/right of viewport) to 1 (above/left of viewport)
*/
function visibility(obj) {
var winw = jQuery(window).width(), winh = jQuery(window).height(),
elw = obj.width(), elh = obj.height(),
...
How to catch curl errors in PHP
...AILED',
[31] => 'CURLE_FTP_COULDNT_USE_REST',
[33] => 'CURLE_RANGE_ERROR',
[34] => 'CURLE_HTTP_POST_ERROR',
[35] => 'CURLE_SSL_CONNECT_ERROR',
[36] => 'CURLE_BAD_DOWNLOAD_RESUME',
[37] => 'CURLE_FILE_COULDNT_READ_FILE',
[38] => 'CURLE_LDAP_CANNOT_BIND...