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Add swipe to delete UITableViewCell
...UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
if (editingStyle == UITableViewCellEditingStyle.Delete) {
// handle delete (by removing the data from your array and updating the tableview)
}
}
Swift 3.0:
overri...
Regular expressions in an Objective-C Cocoa application
...There are many OSS libraries, CocoaDev has an extensive list.
RegExKitLite for example doesn't requires any libraries, just add the .m and .h to your project.
(My complaint against RegExKitLite is that it extends NSString via category, but it can be considered as a feature too. Also it uses the no...
Impossible to Install PG gem on my mac with Mavericks
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worked for me after trying to many different things. i just had to make sure to use the correct version number (9.3.5_1 in my case)!
– H K
Oct 26 '14 at 17:33
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What is dynamic programming? [closed]
...a future problem easier.
A good example is solving the Fibonacci sequence for n=1,000,002.
This will be a very long process, but what if I give you the results for n=1,000,000 and n=1,000,001? Suddenly the problem just became more manageable.
Dynamic programming is used a lot in string problems, ...
Could not locate Gemfile
...where you run that command.
Gemfile is a file containing your gem settings for a current program.
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
In the Mac and iOS platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message.
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Logical operators (“and”, “or”) in DOS batch
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The 'or' condition you describe is slick and works great for a range of numbers, but what if I am comparing 2 independent values, and not a range? For example, if this file exists or filename == ""
– bakoyaro
Dec 14 '17 at 21:10
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How to declare string constants in JavaScript? [duplicate]
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awesome thank so much for this answer. I was going to use const but unfortunately we still support users with ie9 :( One weird thing though is on the MDN page it says that it can be "data descriptor" or "accessor descriptor" but not both... howev...
Get real path from URI, Android KitKat new storage access framework [duplicate]
Before the new gallery access in Android 4.4 (KitKat) I got my real path on the SD card with this method:
9 Answers
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Read a zipped file as a pandas DataFrame
...particular implementation.
df = pd.read_csv('filename.zip')
Or the long form:
df = pd.read_csv('filename.zip', compression='zip', header=0, sep=',', quotechar='"')
Description of the compression argument from the docs:
compression : {‘infer’, ‘gzip’, ‘bz2’, ‘zip’, ‘xz...