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How to determine whether a substring is in a different string
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I just actually was learning JS after learning Python, for this you would need to add loads of if else statements and other things. So, I just wanted to remind myself of how its done in Python, this answer made me say to myself 'Of cour...
What's the point of g++ -Wreorder?
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This can bite you if your initializers have side effects. Consider:
int foo() {
puts("foo");
return 1;
}
int bar() {
puts("bar");
return 2;
}
struct baz {
int x, y;
baz() : y(foo()), x(bar()) {}
};
The above will print "bar" then "foo", even though intuitively one woul...
How to put a delay on AngularJS instant search?
...ut the latest model value since the value binding is debounced. e.g. type 'foo' and on an immediate keypress return the value will still be an empty string.
– jbodily
Mar 14 '16 at 16:38
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Why '&&' and not '&'?
...luation of the rest (op.CanExecute()) is skipped.
Apart from this, technically, they are different, too:
&& and || can only be used on bool whereas & and | can be used on any integral type (bool, int, long, sbyte, ...), because they are bitwise operators. & is the bitwise AND operat...
How to get the first element of an array?
...code. It simply shows undefined, since that's the value of a[0], which actually is the first item in the array. If you want it to show foo you should skip all undefined values but it wouldn't be the first item in the array.
– Michiel van der Blonk
Sep 6 '16 at ...
How to get JS variable to retain value after page refresh? [duplicate]
...e, but this can be overcome by using JSON.stringify and JSON.parse. Technically, whenever you call .setItem(), it will call .toString() on the value and store that.
MDN's DOM storage guide (linked below), has workarounds/polyfills, that end up falling back to stuff like cookies, if localStorage isn...
How to redirect all HTTP requests to HTTPS
I'm trying to redirect all insecure HTTP requests on my site (e.g. http://www.example.com ) to HTTPS ( https://www.example.com ). I'm using PHP btw. Can I do this in .htaccess?
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How do I trim whitespace?
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For leading and trailing whitespace:
s = ' foo \t '
print s.strip() # prints "foo"
Otherwise, a regular expression works:
import re
pat = re.compile(r'\s+')
s = ' \t foo \t bar \t '
print pat.sub('', s) # prints "foobar"
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Unix shell script find out which directory the script file resides?
Basically I need to run the script with paths related to the shell script file location, how can I change the current directory to the same directory as where the script file resides?
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Refreshing web page by WebDriver when waiting for specific condition
...fresh() in its request header says "no-cache" and, as a result, unconditionally reloads all content. Whereas pressing F5 could result in a "If-Modified-Since" request, that could get a "304 Not Modified" response. You have to keep that difference in mind, if you do load testing.
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