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How to present popover properly in iOS 8
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Here i Convert "Joris416" Swift Code to Objective-c,
-(void) popoverstart
{
ViewController *controller = [self.storyboard instantiateViewControllerWithIdentifier:@"PopoverView"];
UINavigationController *nav = [[UINavigation...
What is the use of “ref” for reference-type variables in C#?
I understand that if I pass a value-type ( int , struct , etc.) as a parameter (without the ref keyword), a copy of that variable is passed to the method, but if I use the ref keyword a reference to that variable is passed, not a new one.
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UnicodeDecodeError when reading CSV file in Pandas with Python
...e to use Latin1 encoding because it accept any possible byte as input (and convert it to the unicode character of same code):
pd.read_csv(input_file_and_path, ..., encoding='latin1')
You know that most of the file is written with a specific encoding, but it also contains encoding errors. A real wo...
How to get the type of T from a member of a generic class or method?
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new List<int>().GetType().GetGenericArguments() returns System.Type[1] here with System.Int32 as entry
– Rauhotz
Feb 17 '09 at 15:40
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How to change a module variable from another module?
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When you assign a new value to a, you are just changing which value a points too, not the actual value. Try to import bar.py directly with import bar in __init__.py and conduct your experiment there by setting bar.a = 1. This way, you will actually be modifying bar.__dict__['a'] which is the 'rea...
How to execute a JavaScript function when I have its name as a string
I have the name of a function in JavaScript as a string. How do I convert that into a function pointer so I can call it later?
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How to select all records from one table that do not exist in another table?
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you are awesome :) this way I convert my 25 sec query using left join to just 0.1 sec
– Bassem Shahin
Aug 19 '17 at 22:33
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Take a screenshot of a webpage with JavaScript?
...eenshot. I had to use the keybd_event API call because SendKeys can't do PrintScreen. Here's the code for that:
Declare Sub keybd_event Lib "user32" _
(ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)
Public Const CaptWindow = 2
Public Sub ScreenGrab()
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GIT commit as different user without email / or only email
... <>" -m "Impersonation is evil."
I ran in to this when trying to convert a repository from mercurial to git.
I tested the commands on msysgit 1.7.10.
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What's Alternative to Singleton
...he last article explains in detail how to move the creation of new objects into a factory, so you can avoid using singletons. Worth reading for sure.
In short we move all of the new operators to a factory.
We group all of the objects of similar lifetime into a single factory.
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