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Getting an object from an NSSet
...:
- (NSUInteger)hash
{
return self.objectID; // to be honest, I just do what Apple tells me to here
// because I've forgotten how Sets are implemented under the hood
}
Then, you can get an object with that ID (as well as check for whether it's in the NSSet) with:
MyObjec...
Build unsigned APK file with Android Studio
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Side note:
As Chris Stratton mentioned in his comment:
Technically, what you want is an APK signed with a debug key. An APK
that is actually unsigned will be refused by the device.
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How to print the contents of RDD?
...t will persist it into the driver's RAM, is the Statement correct? because what i understood is foreach will run on each worker[cluster] not on driver.
– Shankar
Jul 22 '15 at 6:23
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Can't escape the backslash with regex?
...git. Now you'd be staring at the following expression trying to figure out what's going on: new RegExp('\\\\\\d');.
– jabacchetta
May 27 '18 at 18:04
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Is there a (repeat-last-command) in Emacs?
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This package defines a command that
repeats the preceding command,
whatever that was, including its
arguments, whatever they were. This
command is connected to the key C-x z.
To repeat the previous command once,
type C-x z. To repeat it a second time
immediately after, type just z....
Is there a way to check which CSS styles are being used or not used on a web page?
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As far as I can tell, if you want to know what is used your best bet is to install a plugin for Chrome - sorry
– Cordell
May 22 '17 at 16:44
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Use of 'use utf8;' gives me 'Wide character in print'
...n it will interpret those three bytes as your single character and that is what is displayed.
If we add in the utf8 module, things are different. In this case, Perl interprets your string as just two characters.
$ perl -Mutf8 -E 'say join ":", map { ord } split //, "鸡\n";'
40481:10
By default,...
Can we have multiple in same ?
...have multiple <tbody> tags in same <table> ? If yes then in what scenarios should we use multiple <tbody> tags?
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...ng the ability to ssh into the device from outside my local network. For whatever reason, this is proving to be impossible and I haven't the slightest clue why. When I try to ssh into my server with user@hostname , I get the error:
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SQL JOIN and different types of JOINs
What is a SQL JOIN and what are different types?
6 Answers
6
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