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Getting the folder name from a path
...s approach, does however, rely on the path initially ending in a filename. If it's unknown whether the path ends in a filename or folder name - then it requires that you check the actual path to see if a file/folder exists at the location first. In that case, Dan Dimitru's answer may be more appropr...
Case insensitive replace
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If you're only doing a single replace, or want to save lines of code, it's more efficient to use a single substitution with re.sub and the (?i) flag: re.sub('(?i)' + re.escape('hippo'), 'giraffe', 'I want a hIPpo for my birth...
Insert space before capital letters
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@ToniMichelCaubet easy, modify the regex like this: /([A-Z]+)/g. The + will make sure you match as many consecutive capital letters as possible.
– iFreilicht
May 18 '17 at 11:18
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Where are iOS simulator screenshots stored?
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If you create screenshots from within the simulator using File -> Save Screen Shot (Command-S), those files end up on the Desktop as something like: iOS Simulator Screen shot Apr 22, 2012.png.
Under Xcode 6 & newer, de...
In bash, how does one clear the current input?
... Don't get used to that, use Ctrl-U. Ctrl-C is not that bad in bash, but if you have e.g. a mysql client prompt, Ctrl-C will disconnect from the server which is really annoying.
– Christian
Nov 25 '13 at 10:54
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Java: convert List to a String
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With Java 8 you can do this without any third party library.
If you want to join a Collection of Strings you can use the new String.join() method:
List<String> list = Arrays.asList("foo", "bar", "baz");
String joined = String.join(" and ", list); // "foo and bar and baz"
If yo...
iOS 7 UIBarButton back button arrow color
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To change the back button chevron color for a specific navigation controller*:
self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
*If you are using an app with more than 1 navigation controller, and you want this chevron color to apply to each, you ...
How to get a substring between two strings in PHP?
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If the strings are different (ie: [foo] & [/foo]), take a look at this post from Justin Cook.
I copy his code below:
function get_string_between($string, $start, $end){
$string = ' ' . $string;
$ini = strpos($str...
Fastest check if row exists in PostgreSQL
...to table, but these inserts are always done in batches. So I want to check if a single row from the batch exists in the table because then I know they all were inserted.
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Java RegEx meta character (.) and ordinary dot?
In Java RegEx, how to find out the difference between . (dot) the meta character and the normal dot as we using in any sentence. How to handle this kind of situation for other meta characters too like ( * , + , \d ,...)
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