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How to handle Objective-C protocols that contain properties?
...l, they have no variables or methods themselves - they only describe a specific set of attributes that is true about your class so that objects holding references to them can use them in specific ways.
That means in your class that conforms to your protocol, you have to do everything to make sure a...
How to recover a dropped stash in Git?
...mal tools. When you’re done, just blow the branch away.
Finding the hash
If you have only just popped it and the terminal is still open, you will still have the hash value printed by git stash pop on screen (thanks, Dolda).
Otherwise, you can find it using this for Linux, Unix or Git Bash for Wind...
Django: Set foreign key using integer?
...ea there. While it works, and the type field gets written to the database, if you access the type property afterwards it doesn't reflect the change. Said in code, this would fail assert(employe.type.id == 4).
– Rune Kaagaard
Jan 9 '17 at 20:29
...
How to keep index when using pandas merge
... I do the merge, the resulting DataFrame has integer index. How can I specify that I want to keep the index from the left data frame?
...
Team Build Error: The Path … is already mapped to workspace
...
Specifically, you can remove the offending workspace's WorkspaceInfo entry from C:\Users\ukcco3jbe\AppData\Local\Microsoft\Team Foundation\3.0\Cache\VersionControl.config. XPath: /VersionControlServer/Servers/ServerInfo/Workspac...
网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...定：
“…Only alphanumerics [0-9a-zA-Z], the special characters “$-_.+!*’(),” [not including the quotes - ed], and reserved characters used for their reserved purposes may be used unencoded within a URL.”
“只有字母和数字[0-9a-zA-Z]、一些特殊符号“$-_.+!*’(),...
How to search by key=>value in a multidimensional array in PHP
...ode:
function search($array, $key, $value)
{
$results = array();
if (is_array($array)) {
if (isset($array[$key]) && $array[$key] == $value) {
$results[] = $array;
}
foreach ($array as $subarray) {
$results = array_merge($results, sea...
Select2 doesn't work when embedded in a bootstrap modal
...r the focused element is either the overlay itself or a descendent of it - if not it just refocuses on the overlay. With the select2 dropdown being attached to the body this effectively prevents you from entering anything into the the textfield.
You can quickfix this by overwriting the enforceFocus ...
What is the difference between t.belongs_to and t.references in rails?
What is the difference between t.references and t.belongs_to ?
Why are we having those two different words? It seems to me they do the same thing?
Tried some Google search, but find no explanation.
...
Execute a terminal command from a Cocoa app
...n/grep foo bar.txt'.
int pid = [[NSProcessInfo processInfo] processIdentifier];
NSPipe *pipe = [NSPipe pipe];
NSFileHandle *file = pipe.fileHandleForReading;
NSTask *task = [[NSTask alloc] init];
task.launchPath = @"/usr/bin/grep";
task.arguments = @[@"foo", @"bar.txt"];
task.standardOutput = pi...