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Unix's 'ls' sort by name
...BK sort -V will sort by version numbers, so you get .. 2.10.2; 2.10.15; .. from man sort .. --sort=WORD will sort according to WORD: general-numeric -g, human-numeric -h, month -M, numeric -n, random -R, version -V
– mosh
Jan 21 '18 at 15:21
...
What exactly does the post method do?
...ueue.
So startAnimation will be fired in a new thread when it is fetched from the messageQueue
[EDIT 1]
Why do we use a new thread instead of UI thread (main thread)?
UI Thread :
When application is started, Ui Thread is created automatically
it is in charge of dispatching the events to the...
Execution of Python code with -m option or not
...
@flow2k: I mean that from Photos import ... will complain. So would import Photos.<something>. import Photos only works because Python supports namespaced packages (where two separate distributions provide Photos.foo and Photos.bar separate...
How to find memory leak in a C++ code/project?
...e associated with a pointer. When a dynamic variable becomes disassociated from its pointer(s), it becomes impossible to erase. Again, this results in a memory leak:
char* str1 = new char [30];
char* str2 = new char [40];
strcpy(str1, "Memory leak");
str2 = str1; // Bad! Now the 40 bytes are imp...
Why use a ReentrantLock if one can use synchronized(this)?
...ible to represent via a single monitor in a synchronized construct.
Aside from that, ReentrantLock supports lock polling and interruptible lock waits that support time-out. ReentrantLock also has support for configurable fairness policy, allowing more flexible thread scheduling.
The constructor fo...
Make a div fill the height of the remaining screen space
...table on each property for an up-to-date compatibility status.
(taken from https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Flexible_boxes)
All major browsers and IE11+ support Flexbox. For IE 10 or older, you can use the FlexieJS shim.
To check current support you can also see here:
h...
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
...
I used the following psd that I derived from http://www.teehanlax.com/blog/?p=447
http://www.chrisandtennille.com/pictures/backbutton.psd
I then just created a custom UIView that I use in the customView property of the toolbar item.
Works well for me.
Edit: A...
How do I check if a string contains another string in Swift?
... // false
Generally Swift 4 has contains method however it available from iOS 8.0+
Swift 3.1
You can write extension contains: and containsIgnoringCase for String
extension String {
func contains(_ find: String) -> Bool{
return self.range(of: find) != nil
}
func containsIg...
Best way to implement keyboard shortcuts in a Windows Forms application?
... Hmm, no, the Form's KeyDown event handler is quite distinct from a menu item's Click event handler. You still do the exact same way, either call the event handler method directly (no need for it to be exclusively called by an event) or refactor the common logic into a separate method...
What is the purpose of class methods?
...
When a user logs in on my website, a User() object is instantiated from the username and password.
If I need a user object without the user being there to log in (e.g. an admin user might want to delete another users account, so i need to instantiate that user and call its delete method):
...