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How do I set bold and italic on UILabel of iPhone/iPad?
... Using the font descriptor you need no names:
UILabel * label = [[UILabel alloc] init]; // use your label object instead of this
UIFontDescriptor * fontD = [label.font.fontDescriptor
fontDescriptorWithSymbolicTraits:UIFontDescriptorTraitBold
| UIFontDescripto...
Xcode without Storyboard and ARC
...gWithOptions: (NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
TestViewController *test = [[TestViewController alloc] initWithNibName:@"TestViewController" bundle...
How to declare std::unique_ptr and what is the use of it?
...t of scope.
This way you do not have to remember doing delete on objects allocated dynamically - the destructor of the smart pointer will do that for you - nor to worry about whether you won't dereference a (dangling) pointer to an object that has been destroyed already:
{
unique_ptr<int&g...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...ical source lines. [SNIP]
The source file is decomposed into preprocessing tokens (2.5) and sequences of white-space characters (including comments). [SNIP]
Preprocessing directives are executed, macro invocations are expanded, and _Pragma unary operator expressions are executed. [SNIP]
Each source ...
How do I download a tarball from GitHub using cURL?
...ix.
You can also retrieve the archive of a private repo, by specifying -u token:x-oauth-basic option to curl. Replace token with a personal access token.
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What REALLY happens when you don't free after malloc?
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Just about every modern operating system will recover all the allocated memory space after a program exits. The only exception I can think of might be something like Palm OS where the program's static storage and runtime memory are pretty much the same thing, so not freeing might cause...
How do I declare a 2d array in C++ using new?
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Remember that anything allocated with new is created on the heap and must be de-allocated with delete, just keep this in mind and be sure to delete this memory from the heap when you're done with it to prevent leaks.
– Kekoa
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Zero-based month numbering [closed]
... pointer arithmetics where you would use one base pointer pointing at some allocated memory, plus a second pointer which would be at an offset from this base pointer. Here, using the value zero makes a lot of sense to point the offset to the base of the memory block. (General array logic tends to be...
OpenShift rhc setup using multiple accounts
....com|<Press Enter>
Password: *********<Press Enter>
Generate a token now? (yes|no) y<Press Enter>
Generating an authorization token for this client ... lasts about 1 month
Saving configuration to C:\Users\UserName.openshift\express.conf ... done
Your private SSH key file should be ...
How can you find and replace text in a file using the Windows command-line environment?
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Beware that the replace token ('foo' in this case) is treated as a regular expression. If you have any special characters there ( I had [ ] ), you need to prepend them with a \ (backslash).
– J W
Mar 3 '16 at 1...