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Exit Shell Script Based on Process Exit Code
...pt that executes a number of commands. How do I make the shell script exit if any of the commands exit with a non-zero exit code?
...
Iterate over the lines of a string
...f f2(foo=foo):
retval = ''
for char in foo:
retval += char if not char == '\n' else ''
if char == '\n':
yield retval
retval = ''
if retval:
yield retval
def f3(foo=foo):
prevnl = -1
while True:
nextnl = foo.find('\n', prevnl ...
How do I break out of a loop in Perl?
...h, I found it. You use last instead of break
for my $entry (@array){
if ($string eq "text"){
last;
}
}
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Using std Namespace
There seem to be different views on using 'using' with respect to the std namespace.
15 Answers
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@class vs. #import
... any circular inclusions. I also understand that an #import is a simple ifndef so that an include only happens once.
16...
PHP function to make slug (URL string)
...
Instead of a lengthy replace, try this one:
public static function slugify($text)
{
// replace non letter or digits by -
$text = preg_replace('~[^\pL\d]+~u', '-', $text);
// transliterate
$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
// remove unwanted characters
$text = pre...
Preferred Java way to ping an HTTP URL for availability
... works perfectly fine. Using GET is more reliable in case you intend to verify links/resources not domains/hosts.
Testing the server for availability is not enough in my case, I need to test the URL (the webapp may not be deployed)
Indeed, connecting a host only informs if the host is availa...
Generate unique random numbers between 1 and 100
...arr.length < 8){
var r = Math.floor(Math.random() * 100) + 1;
if(arr.indexOf(r) === -1) arr.push(r);
}
console.log(arr);
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How to Sort a List by a property in the object
...
If you need to sort the list in-place then you can use the Sort method, passing a Comparison<T> delegate:
objListOrder.Sort((x, y) => x.OrderDate.CompareTo(y.OrderDate));
If you prefer to create a new, sorted sequ...
How to add elements of a Java8 stream into an existing List
...nswer is no, at least, not in general, you shouldn't use a Collector to modify an existing collection.
The reason is that collectors are designed to support parallelism, even over collections that aren't thread-safe. The way they do this is to have each thread operate independently on its own colle...