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What is “:-!!” in C code?
...e can be evaluated to be 0, and if not, to fail the build.
The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.)
You should read the expression like this:
sizeof(...
What is the most robust way to force a UIView to redraw?
... item pushes a viewController that then proceeds to do the following. from method viewDidLoad I fire off a URLRequest for data that is required by on of my subviews - a UIView subclass with drawRect overridden. When the data arrives from the cloud I start building my view hierarchy. the subclass in ...
What's the strangest corner case you've seen in C# or .NET? [closed]
... think I showed you this one before, but I like the fun here - this took some debugging to track down! (the original code was obviously more complex and subtle...)
static void Foo<T>() where T : new()
{
T t = new T();
Console.WriteLine(t.ToString()); // works fine
...
Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
...ered by labels that have numberOfLines set to anything but 1 if your deployment target is set to 7.1. This is completely reproducible with new single-view project.
Steps to Reproduce:
Create a new single-view, objective-c project
Set the Deployment Target to 7.1
Open the project's storyboard
Dro...
Including all the jars in a directory within the Java classpath
...raries from command prompt)
Understanding Wildcards
From the Classpath document:
Class path entries can contain the basename wildcard character *, which is considered equivalent to specifying a list of all the files
in the directory with the extension .jar or .JAR. For example, the
class path entry...
Maven command to determine which settings.xml file Maven is using
... option (debug) and examine the beginning of the output. There should be something like this:
...
[INFO] Error stacktraces are turned on.
[DEBUG] Reading global settings from c:\....\apache-maven-3.0.3\conf\settings.xml
[DEBUG] Reading user settings from c:\....\.m2\settings.xml
[DEBUG] Using local...
Difference between return and exit in Bash functions
What is the difference between the return and exit statement in Bash functions with respect to exit codes?
10 Answers
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What is the right way to POST multipart/form-data using curl?
I used this syntax to post a file along with some parameters:
5 Answers
5
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Auto-expanding layout with Qt-Designer
... and select Lay Out -> Lay Out in a Grid from the bottom of the context-menu. The QVBoxLayout should now stretch to fit the window and will resize automatically when the entire window is resized.
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Table Naming Dilemma: Singular vs. Plural Names [closed]
Academia has it that table names should be the singular of the entity that they store attributes of.
41 Answers
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