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Explanation of strong and weak storage in iOS5
I am new to iOS5 development and using objective-c. I have trouble understanding the difference between strong and weak storage. I have read the documentation and other SO questions, but they all sound identical to me with no further insight.
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Page scroll when soft keyboard popped up
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How do I count the number of occurrences of a char in a String?
...ring, I get a difference of 6049 ns vs 26,739 ns (averaged over 100runs). Raw numbers are huge difference, but percetage wise...it adds up. Avoid the memory allocations - use a loop!
– Ben
Nov 18 '14 at 15:41
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Get a list of URLs from a site [closed]
...in
Wikka Wiki (PHP)
WordPress
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Set up adb on Mac OS X
...e automatic updates.
Install homebrew
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
Install adb
brew cask install android-platform-tools
Start using adb
adb devices
Option 2 - Manually (just the platform tools)
This is the easiest way t...
Check whether an array is empty [duplicate]
I have the following code
12 Answers
12
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How do I create test and train samples from one dataframe with pandas?
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Better solution. scikit learn doesn't take raw data frames, rather it expects arrays.
– Cybernetic
Nov 8 '19 at 20:21
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How to disable JavaScript in Chrome Developer Tools?
I am trying to debug the features of a website when users disable their JavaScript. I was wondering how do you disable JavaScript for a page from the Google Chrome DevTools?
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How to read a file in reverse order?
...line[::-1]
if __name__ == '__main__':
for qline in readlines_reverse(raw_input()):
print qline
Since the file is read character by character in reverse order, it will work even on very large files, as long as individual lines fit into memory.
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C fopen vs open
...nter directly.
There are several advantages to using FILE-objects rather raw file descriptors, which includes greater ease of usage but also other technical advantages such as built-in buffering. Especially the buffering generally results in a sizeable performance advantage.
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