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How do I get the path of the Python script I am running in? [duplicate]
...rl, but the same general solution can apply: I split the directory into an array of folders, then pop off the last element (the script), then push (or for you, append) on whatever I want, and then join them together again, and BAM! I have a working pathname that points to exactly where I expect it t...
Swipe to Delete and the “More” button (like in Mail app on iOS 7)
... you declare the uitableviewdelegate and have the following methods:
-(NSArray *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewRowAction *button = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDefault title:@"Button 1" ha...
Is there any reason for using WebGL instead of 2D Canvas for 2D games/apps?
...API, the Canvas 2D API itself doesn't offer programmable shaders or vertex array buffers. It's a "chatty" API (one JavaScript-to-Native call per element drawn), whereas WebGL's API allows bulk data loading and GPU-based custom processing.
– emackey
Oct 30 '17 ...
How can I mask a UIImageView?
...mask.contents, should CGImage. Not [CGImage]. If use bracket [ ], it means Array.
– strawnut
Oct 25 '19 at 2:44
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show 5 more comments
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How do I compare two DateTime objects in PHP 5.2.8?
... classes are uncomparable, same class - compare properties the same way as arrays (PHP 4), PHP 5 has its own explanation
– Saul
Oct 27 '10 at 11:17
7
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Determine which element the mouse pointer is on top of in JavaScript
...ent.elementsFromPoint(x, y) . // Mind the 's' in elements
This returns an array of all element objects under the given point.
Just pass the mouse X and Y values to this function.
More information is here: DocumentOrShadowRoot.elementsFromPoint()
For very old browsers which are not supported, you ma...
What is the difference between Set and List?
...itional access performance depends a lot on the underlying implementation, array vs linked list stackoverflow.com/questions/322715/…
– Christophe Roussy
Nov 30 '15 at 16:35
...
How do I get the list of keys in a Dictionary?
...over the keys. I think in that case you have no choice but to use a second array.
ArrayList lList = new ArrayList(lDict.Keys);
foreach (object lKey in lList)
{
if (<your condition here>)
{
lDict.Remove(lKey);
}
}
If you can use generic lists and dictionaries instead of an ArrayLis...
How to use multiple arguments for awk with a shebang (i.e. #!)?
... up by forgetting to pass the invoked program name as part of the argument array to execve and similar functions, and if people habitually forget to protect against it, it can also end up being the last step in a maliciously exploitable vulnerability that lets an attacker get an interactive shell.
...
Are there any smart cases of runtime code modification?
...elf modifying code was the only way to implement subroutines, pointers and arrays.
More cases of code modification:
Many debuggers replace instructions to implement breakpoints.
Some dynamic linkers modify code at runtime. This article provides some background on the runtime relocation of Window...