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Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
5 Answers
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Simple way to convert datarow array to datatable
...he number of columns in this table.". With-Clone Version Error: "Unable to cast object of type 'System.Data.DataRow' to type 'System.IConvertible'.Couldn't store <System.Data.DataRow> in StoreOrder Column. Expected type is Int64." Note: StoreOrder is the first column in the table schema. Seem...
How to go back in Eclipse?
...'m jumping around a big project following the execution flow (ctrl + click and etc.), is there a way to retrace a step? If my code calls a method and I go to the method definition, is there a key combination that will take me back to the calling code?
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The command rbenv install is missing
In Ubuntu 10.04 I just installed rbenv .
The install command is not present.
8 Answers
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“f” after number
...ution down with four int->float conversions (that are among the slowest casts). Although in this case is almost unimportant, it's always better to specify correctly f if needed: in an expression a constant without the right specifier may force the whole expression to be converted to double, and i...
iOS - Calling App Delegate method from ViewController
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It avoid having to include your AppDelegate.h everywhere.
It's a simple cast that goes a long way, allowing to develop independent Controller and reuse them elsewhere without to worry about class name and so on...
Enjoy
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Dynamic array in C#
...T> for strongly typed one, or ArrayList if you have .NET 1.1 or love to cast variables.
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“:” (colon) in C struct - what does it mean? [duplicate]
...s your "variables" into size of an int, so that all bits are used? Can you cast bit field structiores to numbers to obtain the typical "int with flags".
– Tomáš Zato - Reinstate Monica
Nov 30 '15 at 9:04
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Django - how to create a file and save it to a model's FileField?
Here's my model. What I want to do is generate a new file and overwrite the existing one whenever a model instance is saved:
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Replace only some groups with Regex
...iousCaptureEnd = 0;
foreach (var capture in group.Captures.Cast<Capture>())
{
var currentCaptureEnd =
capture.Index + capture.Length - m.Index;
var currentCaptureLength =
cap...