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Reference — What does this symbol mean in PHP?
... have the same results.
Pre-increment is a little bit faster because it really increments the variable and after that 'returns' the result. Post-increment creates a special variable, copies there the value of the first variable and only after the first variable is used, replaces its value with seco...
C# operator overload for `+=`?
...nguage has its own operators list, which are compiled in a special method calls, and CLR itself doesn't know anything about operators. So let's see what exactly stays behind the + and += operators.
See this simple code:
Decimal d = 10M;
d = d + 10M;
Console.WriteLine(d);
Let view the IL-code for...
What does the variable $this mean in PHP?
I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it.
10 An...
Any way to make a WPF textblock selectable?
How to allow TextBlock 's text to be selectable?
15 Answers
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...ents that are passed by reference (id *) and are autoreleased on return.
All of this is very well explained in the ARC transition guide.
In your NSError example, the declaration means __strong, implicitly:
NSError * e = nil;
Will be transformed to:
NSError * __strong error = nil;
When you c...
How to customize the background/border colors of a grouped table view cell?
...later UITableViewCell now has a backgroundColor property that makes this really easy (especially in combination with the [UIColor colorWithPatternImage:] initializer). But I'll leave the 2.0 version of the answer here for anyone that needs it…
It's harder than it really should be. Here's how I ...
Change SVN repository URL
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Didn't know about the switch command all the documentation I found online is for newer versions.
– Dustin Cook
Feb 10 '16 at 9:54
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How to add an extra column to a NumPy array
...for a way to add a bias unit to my artificial neuronal network in batch on all layers at once, and this is the perfect answer.
– gaborous
Aug 18 '16 at 15:07
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Finding a substring within a list in Python [duplicate]
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All the answers work but they always traverse the whole list. If I understand your question, you only need the first match. So you don't have to consider the rest of the list if you found your first match:
mylist = ['abc123'...
How can I mock requests and the response?
...thons mock package to mock Pythons requests module. What are the basic calls to get me working in below scenario?
9 Answ...
