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How do I find if a string starts with another string in Ruby?
...re several methods presented here, I wanted to figure out which one was fastest. Using Ruby 1.9.3p362:
irb(main):001:0> require 'benchmark'
=> true
irb(main):002:0> Benchmark.realtime { 1.upto(10000000) { "foobar"[/\Afoo/] }}
=> 12.477248
irb(main):003:0> Benchmark.realtime { 1.upto(...
How to initialize log4j properly?
...l" projects you might want a quick-and-dirty solution, e.g. if you're just testing a new library.
If so a call to the static method
org.apache.log4j.BasicConfigurator.configure();
will setup basic logging to the console, and the error messages will be gone.
...
Can I target all tags with a single selector?
...
This does not work. Please test your code before posting an answer as this is detrimental to anyone who may try using it. I edited your answer with tested and working code.
– Hybrid web dev
Nov 28 '19 at 22:22
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Test if a command outputs an empty string
How can I test if a command outputs an empty string?
11 Answers
11
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Verifying signed git commits?
...unexpected and unwanted.
Since verify-tag existed earlier, add a failing test to have verify-commit share verify-tag's behavior.
git 2.9 (June 2016) update the git merge doc:
See commit 05a5869 (13 May 2016) by Keller Fuchs (``).
Helped-by: Junio C Hamano (gitster).
(Merged by Junio C Hamano ...
Regex for quoted string with escaping quotes
...:[^"\\]|\\.)*"/
Works in The Regex Coach and PCRE Workbench.
Example of test in JavaScript:
var s = ' function(){ return " Is big \\"problem\\", \\no? "; }';
var m = s.match(/"(?:[^"\\]|\\.)*"/);
if (m != null)
alert(m);
...
Is if(items != null) superfluous before foreach(T item in items)?
...in turn degrades to enumerator to an interface making iteration slower. My test showed a factor 5 degradation for iteration over an int array.
– CodesInChaos
Jun 23 '11 at 14:41
...
Super slow lag/delay on initial keyboard animation of UITextField
...
Yeah, I also got a few seconds delay on the latest iPhone 4s. Don't panic. For some reasons, it only happens the first time the app is loaded from Xcode in Debug. When I did Release, I don't get the delay. Just forget it...
...
How to pass variable number of arguments to a PHP function
...distinct parameters.
For instance, if you have this function :
function test() {
var_dump(func_num_args());
var_dump(func_get_args());
}
You can pack your parameters into an array, like this :
$params = array(
10,
'glop',
'test',
);
And, then, call the function :
call_user_func_ar...
How many database indexes is too many?
...t the combinations of searches that we allow. Otherwise you would have to test literally every combination for performance to ensure you did not have a lurking problem that someone will find one day. We have also implemented resource limits to stop this causing issues elsewhere in the application ...