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How to convert an NSString into an NSNumber
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Use an NSNumberFormatter:
NSNumberFormatter *f = [[NSNumberFormatter alloc] init];
f.numberStyle = NSNumberFormatterDecimalStyle;
NSNumber *myNumber = [f numberFromString:@"42"];
If the string is not a valid number, then myNumber will be nil. If it is a valid number, then you now have all of...
How do I edit an existing tag message in git?
...e of a git tag
Awk: A tutorial and introduction
SO: Filter output by first-token-of-line and extract rest-of-line with awk
SO: How to put bash line comment in a multi-line command
4. DIY
Alternatively to updating the tags, you can just delete them and create them again. As it turns out updating j...
Can I load a UIImage from a URL?
... is loading an image from url:
UIImageView *yourImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"loading.png"]];
[yourImageView setContentMode:UIViewContentModeScaleAspectFit];
//Request image data from the URL:
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEU...
How can I convert tabs to spaces in every file of a directory?
... I would also add a file matcher like for example for only .php files find ./ -iname "*.php" -type f -exec sed -i 's/\t/ /g' {} \;
– Daniel Luca CleanUnicorn
Mar 26 '13 at 10:04
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Best way in asp.net to force https for an entire site?
...Filters.Filters.Add(new RequireHttpsAttribute());
2 - Force Anti-Forgery tokens to use SSL/TLS:
AntiForgeryConfig.RequireSsl = true;
3 - Require Cookies to require HTTPS by default by changing the Web.config file:
<system.web>
<httpCookies httpOnlyCookies="true" requireSSL="true" ...
Semicolons superfluous at the end of a line in shell scripts?
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| & ; ( ) < > space tab
control operator
A token that performs a control function. It is one of the following symbols:
|| & && ; ;; ( ) | |& <newline>
So, the ; can be metacharacter or control operator, while the ;; is always a contr...
How to replace a string in multiple files in linux command line
...e-grep to see if the changes were made. Note: For wildcards, try '-name "*.php"' and grep is bad with recursion and wildcards, you need to add --include=*.whatever with -r
– PJ Brunet
Feb 23 '17 at 18:41
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Python append() vs. + operator on lists, why do these give different results?
... Isn't this site about answering the questions asked? People ask why PHP is called PHP and why __lt__ could not be overloaded in Python (nowadays it can). Why-questions are the most essential ones but often the trickiest to answer: they ask for the essence, not for a pointer to the manual. And...
Multidimensional Array [][] vs [,] [duplicate]
...the time of construction, only the first. You specify the second when you allocate each array that is part of the arrays... I'll update and clarify:
– James Michael Hare
Sep 24 '12 at 14:51
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How to get distinct values for non-key column fields in Laravel?
...ser::select('name')->groupBy('name')->lists('name'); worked fine for php's in_array();
– Pathros
Nov 28 '16 at 15:43
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