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Using NSPredicate to filter an NSArray based on NSDictionary keys
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It should work - as long as the data variable is actually an array containing a dictionary with the key SPORT
NSArray *data = [NSArray arrayWithObject:[NSMutableDictionary dictionaryWithObject:@"foo" forKey:@"BAR"]];
NSArray *filtered = [data filteredArrayUsingPredicate:[N...
how to stop browser back button using javascript
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There are numerous reasons why disabling the back button will not really work. Your best bet is to warn the user:
window.onbeforeunload = function() { return "Your work will be lost."; };
This page does list a number of ways you could try to disable the back button, but none are guaranteed...
Deserialize JSON into C# dynamic object?
...ere. I modified the code slightly to fix a bug and suit my coding style. All you need is this code and a reference to System.Web.Extensions from your project:
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Dynamic;
usin...
Navigation in django
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I like this idea a lot, especially for flexibility, but it comes with the less-DRY trade-off. I did start using this in a site though.
– anonymous coward
Sep 22 '09 at 14:47
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Remove unwanted parts from strings in a column
...place a number such as the number 12? If I do x.lstrip('12') it takes out all 1 and 2s.
– Dave
Oct 26 '16 at 21:19
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PHP Session Security
...or maintaining responsible session security with PHP? There's information all over the web and it's about time it all landed in one place!
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abort, terminate or exit?
What's the difference between those three, and how shall I end program in case of exception which I can't handle properly?
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How to send multiple data fields via Ajax? [closed]
...ing AJAX, but I can't find a way to send multiple data fields via my AJAX call.
12 Answers
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Returning an array using C
... use pointers for arrays when you return them. Being a new programmer, I really do not understand this at all, even with the many forums I have looked through.
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Escape a string for a sed replace pattern
...capes themselves, forward slash for end of statement and & for replace all):
ESCAPED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need to escape the KEYWORD s...