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Passing Data between View Controllers
...elf didFinishEnteringItem:itemToPassBack];
That's it for ViewControllerB. Now in ViewControllerA.h, tell ViewControllerA to import ViewControllerB and conform to its protocol.
#import "ViewControllerB.h"
@interface ViewControllerA : UIViewController <ViewControllerBDelegate>
In ViewControl...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...avoid for large data, and why := and set() were introduced to data.table.
Now, with our copied newDT we can modify it by reference :
newDT
# a b
# [1,] 1 11
# [2,] 2 200
newDT[2, b := 400]
# a b # See FAQ 2.21 for why this prints newDT
# [1,] 1 11
# [2,] 2 400
.Internal(in...
How to change the CHARACTER SET (and COLLATION) throughout a database?
...le (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character.
...
What is the correct way to create a single-instance WPF application?
...s, it
brings on a lot of overhead, and I wanted something cleaner.
Knowing that I could use a mutex for this (but never having done it
before) I set out to cut down my code and simplify my life.
In the class of my application main I created a static named Mutex:
static class Program
...
Eclipse, where to change the current debug line background?
...
Ok, now I found it myself (through major reverse engineering). It is in General\Editors\Text Editors\Annotations page. It's called "Debug Current Instruction Pointer"
...
Invalid syntax when using “print”? [duplicate]
... have replaced the print statement with the print function.
The syntax is now more or less the same as before, but it requires parens:
From the "what's new in python 3" docs:
Old: print "The answer is", 2*2
New: print("The answer is", 2*2)
Old: print x, # Trailing comma suppresses newl...
Are nested transactions allowed in MySQL?
... @Quassnoi the link I provided was to show that nested transactions are now supported. Now, savepoints are powerful, but they're not the same as nested BEGIN,COMMIT/ROLLBACK (programatically speaking, command-wise) although you seem pretty sure that in a "single-threaded context" they're equivale...
JavaScript: How to join / combine two arrays to concatenate into one array? [duplicate]
...
var a = ['a','b','c'];
var b = ['d','e','f'];
var c = a.concat(b); //c is now an an array with: ['a','b','c','d','e','f']
console.log( c[3] ); //c[3] will be 'd'
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Eclipse plugin for generating a class diagram [closed]
...ipseUML from Omondo. Only commercial versions appear to be available right now. The class diagram in your question, is most likely generated by this plugin.
Obligatory links
The listed tools will not generate class diagrams from source code, or atleast when I used them quite a few years back. You c...
Display element as preformatted text via CSS [duplicate]
...
How do you guys know about this stuff? I spent some time barking up the wrong tree (display) but never thought to look at white-space.
– Dagg Nabbit
Mar 17 '12 at 21:02
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