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Remove HTML Tags from an NSString on the iPhone
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A quick and "dirty" (removes everything between < and >) solution, works with iOS >= 3.2:
-(NSString *) stringByStrippingHTML {
NSRange r;
NSString *s = [[self copy] autorelease];
while ((r = [s rangeOfString:@"<[...
Prevent segue in prepareForSegue method?
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It's possible in iOS 6 and later:
You have to implement the method
- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender
In your view controller. You do your validation there, and if it's OK then return YES; if it's...
How can I sanitize user input with PHP?
...tion somewhere that works well for sanitizing user input for SQL injection and XSS attacks, while still allowing certain types of HTML tags?
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Editing the git commit message in GitHub
...rce that push (git push -f). But if already someone pulled your old commit and started a work based on that commit, he would have to rebase his work onto your new commit.
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How do you rename a Git tag?
Today I was looking through the logs for a project and realized that I fat fingered a tag name some time ago. Is there some way to rename the tag? Google hasn't turned up anything useful.
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How do you grep a file and get the next 5 lines
How do I grep a file for 19:55 and get the Line 1,2,3,4,5?
3 Answers
3
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Validate that a string is a positive integer
...ng(n) === str && n >= 0;
}
or if you want to allow whitespace and leading zeros:
function isNormalInteger(str) {
str = str.trim();
if (!str) {
return false;
}
str = str.replace(/^0+/, "") || "0";
var n = Math.floor(Number(str));
return n !== Infinity &am...
Create nice column output in python
I am trying to create a nice column list in python for use with commandline admin tools which I create.
18 Answers
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How can I open a URL in Android's web browser from my application?
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Except that your code and mbaird's aren't the same, from what I can tell for what's posted. Ensure that your URL has the http:// scheme -- the exception shown suggests that your URL is lacking the scheme.
– CommonsWare
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How to import the class within the same directory or sub directory?
...es are in a subdirectory - put an __init__.py in the subdirectory as well, and then use regular import statements, with dot notation. For each level of directory, you need to add to the import path.
bin/
main.py
classes/
user.py
dir.py
So if the directory was named "class...