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Linux command to print directory structure in the form of a tree
...om maintainer's web page.
You can add the option -L # where # is replaced by a number, to specify the max recursion depth.
Remove -d to display also files.
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NSString property: copy or retain?
...u write yourself), it is usually better to retain them rather than copy in order to avoid wasting time and memory.
– Rob Napier
Apr 27 '10 at 0:08
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The Guava library: What are its most useful and/or hidden features? [closed]
...g collection mapped to a key and creating and adding it if it isn't there.
Ordering is great for building Comparators that behave just how you want.
Maps.uniqueIndex and Multimaps.index: these methods take an Iterable and a Function and build an ImmutableMap or ImmutableListMultimap that indexes th...
Capitalize or change case of an NSString in Objective-C
...e caps ➔ (method missing; see workaround below)
Hence what you want is called "uppercase", not "capitalized". ;)
As for "Sentence Caps" one has to keep in mind that usually "Sentence" means "entire string". If you wish for real sentences use the second method, below, otherwise the first:
@inter...
Cannot hide status bar in iOS7
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In order to use the legacy UIApplication method to hide/show the status bar, your app must set a plist value for iOS 7:
View-Controller Based Status Bar Appearance = NO
This value is set to YES by default. If you change it to ...
Detect if Android device has Internet connection
...id security they donot allow plain text communication now. for now just to by pass it.
android:usesCleartextTraffic="true"
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How can I detect if a browser is blocking a popup?
Occasionally, I've come across a webpage that tries to pop open a new window (for user input, or something important), but the popup blocker prevents this from happening.
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Can I embed a custom font in an iPhone application?
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Before anyone else spends 3 hours installing fontforge in order to find the actual postscript name of the font required by iOS. I'll point out that you can simply press Cmd+I on the font in font book to find this information.
– Daniel Wood
Mar ...
Difference between pre-increment and post-increment in a loop?
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@JonB The order of operations in the answer is not exactly correct. Both ++i and i++ perform the same operations in the same order: create temp copy of i; increment the temp value to produce a new value (not to override the temp); stor...
Print array elements on separate lines in Bash?
...ame -a "${alpha[@]}"
Using shuf; note that results might not come out in order:
shuf -e "${alpha[@]}"
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