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Cell spacing in UICollectionView
...in case anyone still needs correct answer here what you need:
Override standard flow layout.
Add implementation like that:
- (NSArray *) layoutAttributesForElementsInRect:(CGRect)rect {
NSArray *answer = [super layoutAttributesForElementsInRect:rect];
for(int i = 1; i < [answer count]...
Python dictionary: Get list of values for list of keys
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Converting the OP's list to a set at least makes it linear, but it's still linear on the wrong data structure as well as losing order. Consider the case of a 10k dictionary and 2 keys in mykeys. Your solution makes 10k set ...
C read file line by line
... those who said that this getline is specific to GNU libc, "Both getline() and getdelim() were originally GNU extensions. They were standardized in POSIX.1-2008."
– willkill07
Apr 21 '15 at 21:01
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How to create a file in memory for user to download, but not through server?
... The correct charset is almost certainly UTF-16, unless you have code converting it to UTF-8. JavaScript uses UTF-16 internally. If you have a text or CSV file, start the string with '\ufeff', the Byte Order Mark for UTF-16BE, and text editors will be able to read non-ASCII characters correctly...
How do I get time of a Python program's execution?
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Yes, it gives a number of seconds. You can convert to min:seconds if you want. Look at Paul McGuire's answer and its secondsToStr() function.
– steveha
Dec 19 '13 at 6:48
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How can I get device ID for Admob
I'm using Eclipse to develop applications for android, and I want to integrate Admob to make money.
The tutorial says I should watch the LogCat to find ID, but where is it?
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Improve INSERT-per-second performance of SQLite
...sider a less paranoid journal mode (pragma journal_mode). There is NORMAL, and then there is OFF, which can significantly increase insert speed if you're not too worried about the database possibly getting corrupted if the OS crashes. If your application crashes the data should be fine. Note that in...
How does #include work in C++? [duplicate]
...ude any other header files. How does #include <bits/stdc++.h> work and is it ok to use it instead of including individual header files?
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datetime.parse and making it work with a specific format
... details other overloads, in case you want to have the parse automatically convert to Universal Time or something like that.
As @Joel Coehoorn mentions, there's also the option of using TryParseExact, which will return a Boolean value indicating success or failure of the operation - I'm still on .N...
Integrated Markdown WYSIWYG text editor
...e (now hidden) <textarea>. The content is run through to-markdown to convert from HTML to Markdown.
If the <textarea> is a field in a <form>, then the edited Markdown will be sent to the server when that form is submitted.
The inspiration for this comes from the Hallo Markdown Exam...