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Most tricky/useful commands for gdb debugger [closed]
...e-finish -- Execute backward until just before the selected stack frame is called
* reverse-next ('rn') -- Step program backward, proceeding through subroutine calls.
* reverse-nexti ('rni') -- Step backward one instruction, but proceed through called subroutines.
* reverse-step ('rs') -- Step progr...
How do I export UIImage array as a movie?
...writer has an input of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll have to:
1) Wire the writer:
NSError *error = nil;
AVAssetWriter *videoWriter = [[AVAssetWriter alloc] initWithURL:
...
Windows x64编程中寄存器的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...teger argument
R10:R11
Volatile
Must be preserved as needed by caller; used in syscall/sysret instructions
R12:R15
Nonvolatile
Must be preserved by callee
RDI
Nonvolatile
Must be preserved by callee
RSI
Nonvolatile
Must be preserved by callee
R...
Remove files from Git commit
... the commit that you want the file to conform to.
git checkout <commit_id> <path_to_file>
you can do this multiple times if you want to remove many files.
2.
git commit -am "remove unwanted files"
3.
Find the commit_id of the commit on which the files were added mistakenly, let's...
Get cookie by name
... of a cookie - if the value of document.cookie is "FirstName=John" and you call getCookie("Name"), you'll get back "John" even though there's no cookie by that name. It also doesn't work if one cookie's name is the suffix of another - if document.cookie is "Name=John; LastName=Doe", calling split("N...
Why is UICollectionViewCell's outlet nil?
...
I am calling self.collectionView.registerClass(LeftMenuCollectionViewCell.self, forCellWithReuseIdentifier: "ls") again. If you are using a storyboard you don't want to call this. It will overwrite what you have in your storyboard...
Create Generic method constraining T to an Enum
...tring.IsNullOrEmpty(strValue)) return defaultValue;
ldarg strValue
call bool [mscorlib]System.String::IsNullOrEmpty(string)
brfalse.s HASVALUE
br RETURNDEF // return default it empty
// foreach (T item in Enum.GetValues(typeof(T)))
HASVALUE:
// Enum.GetValues.G...
Unzip a file with php
...s for dealing with compressed files. There should be no need to use system calls for this. ZipArchivedocs is one option.
$zip = new ZipArchive;
$res = $zip->open('file.zip');
if ($res === TRUE) {
$zip->extractTo('/myzips/extract_path/');
$zip->close();
echo 'woot!';
} else {
echo '...
How to tell when UITableView has completed ReloadData?
...runs an NSRunLoop. A run loop has different phases, and you can schedule a callback for a specific phase (using a CFRunLoopObserver). UIKit schedules layout to happen during a later phase, after your event handler returns.
– rob mayoff
Dec 30 '17 at 18:02
...
Building big, immutable objects without using constructors having long parameter lists
...nterface. All the user cares about is that he gets a "Foo". I could have called "FooImpl" "FooPointlessNitpick" as well ;)
– SyntaxT3rr0r
May 17 '10 at 13:34
...