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In Swift how to call method with parameters on GCD main thread?
In my app I have a function that makes an NSRURLSession and sends out an NSURLRequest using
9 Answers
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Add .gitignore to gitignore
... to prevent everyone who collaborates on a project from accidentally commiting some common files in a project, such as generated cache files. Therefore you should not ignore .gitignore, since it's supposed to be included in the repository.
If you want to ignore files in just one repository but want...
System.Net.WebException HTTP status code
...
Maybe something like this...
try
{
// ...
}
catch (WebException ex)
{
if (ex.Status == WebExceptionStatus.ProtocolError)
{
var response = ex.Response as HttpWebResponse;
if (response != null)
{
...
How can I check if my python object is a number? [duplicate]
In Java the numeric types all descend from Number so I would use
5 Answers
5
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“Could not find any information for class named ViewController”
This bug has been driving me nuts since I started using Xcode (4.6.3). Whenever I try to link a Storyboard item to my code, I get the error:
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Xcode Simulator: how to remove older unneeded devices?
I'm running Xcode 4.3.1 iOS-Simulator which originally only supports iOS 5.1.
18 Answers
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Tree data structure in C#
I was looking for a tree or graph data structure in C# but I guess there isn't one provided. An Extensive Examination of Data Structures Using C# 2.0 explains a bit about why. Is there a convenient library which is commonly used to provide this functionality? Perhaps through a strategy pattern t...
How to make an Android Spinner with initial text “Select One”?
I want to use a Spinner that initially (when the user has not made a selection yet) displays the text "Select One". When the user clicks the spinner, the list of items is displayed and the user selects one of the options. After the user has made a selection, the selected item is displayed in the Spi...
Question mark (?) in XML attributes for Android
Can anyone explain the question mark means in Android XML attributes?
2 Answers
2
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Do declared properties require a corresponding instance variable?
Do properties in Objective-C 2.0 require a corresponding instance variable to be declared? For example, I'm used to doing something like this:
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