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#pragma mark in Swift?
... Swift. Is there a stand-in for this in Swift, or do I have to use ugly comments?
20 Answers
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Java HashMap performance optimization / alternative
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As many people pointed out the hashCode() method was to blame. It was only generating around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I...
Allow User to input HTML in ASP.NET MVC - ValidateInput or AllowHtml
...ant to allow HTML for:
[ValidateInput(false)]
Edit: As per Charlino comments:
In your web.config set the validation mode used. See MSDN:
<httpRuntime requestValidationMode="2.0" />
Edit Sept 2014: As per sprinter252 comments:
You should now use the [AllowHtml] attribute. See below fr...
A CSS selector to get last visible div
...jQuery, but CSS alone can't do this.
For example, if you have jQuery implemented on the site, you could just do:
var last_visible_element = $('div:visible:last');
Although hopefully you'll have a class/ID wrapped around the divs you're selecting, in which case your code would look like:
var las...
What's the difference between lapply and do.call?
... function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
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Hide separator line on one UITableViewCell
...CarArray.count-1){
UIImageView *line = [[UIImageView alloc] initWithFrame:CGRectMake(0, 44, 320, 2)];
line.backgroundColor = [UIColor redColor];
[cell addSubview:line];
}
for iOS 7 upper versions (including iOS 8)
if (indexPath.row == self.newCarArray.count-1) {
cell.separatorInse...
Drop all tables whose names begin with a certain string
How can I drop all tables whose names begin with a given string?
14 Answers
14
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Why remove unused using directives in C#?
...intless. They add no value.
It's confusing. What is being used from that namespace?
If you don't, then you'll gradually accumulate pointless using statements as your code changes over time.
Static analysis is slower.
Code compilation is slower.
On the other hand, there aren't many reasons to leave...
Shell Script: Execute a python program from within a shell script
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Just make sure the python executable is in your PATH environment variable then add in your script
python path/to/the/python_script.py
Details:
In the file job.sh, put this
#!/bin/sh
python python_script.py
Execute this command to make the script runnable for you : chmod u+...
How do I format a string using a dictionary in python-3.x?
I am a big fan of using dictionaries to format strings. It helps me read the string format I am using as well as let me take advantage of existing dictionaries. For example:
...