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Is it possible to ping a server from Javascript?
...that.bad();}, 1500);
}
}
This works on all types of servers that I've tested (web servers, ftp servers, and game servers). It also works with ports. If anyone encounters a use case that fails, please post in the comments and I will update my answer.
Update: Previous link has been removed. If a...
Compress files while reading data from STDIN
...to read data as input and redirect the compressed to output file i.e.
cat test.csv | gzip > test.csv.gz
cat test.csv will send the data as stdout and using pipe-sign gzip will read that data as stdin. Make sure to redirect the gzip output to some file as compressed data will not be written to ...
How do I get the coordinates of a mouse click on a canvas element?
...PeppeL-G bounding client rectangle calculates that for you. You can easily test it in console before you post a comment (that's what I did).
– Tomáš Zato - Reinstate Monica
Nov 29 '14 at 17:10
...
How do you stop tracking a remote branch in Git?
...com:repo-name
fetch = +refs/heads/*:refs/remotes/origin/*
[branch "test1"]
remote = origin
merge = refs/heads/test1
[branch "master"]
remote = origin
merge = refs/heads/master
Delete the line merge = refs/heads/test1 in the test1 branch section
...
How do I check that a number is float or integer?
... 1 === 0;
}
If you don't know that the argument is a number you need two tests:
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}
Update 2019
5 years after this answer was written, a solution was st...
How to convert image to byte array
...)
{
// Correct a strange glitch that has been observed in the test program when converting
// from a PNG file image created by CopyImageToByteArray() - the dpi value "drifts"
// slightly away from the nominal integer value
bm.SetResolution((int)(bm.Horizontal...
Remove .php extension with .htaccess
...ectories correctly.
For example, this will correctly rewrite example.com/test as a request for example.com/test.php:
RewriteEngine on
RewriteRule ^(.*)$ $1.php
But will make example.com fail to load because there is no example.com/.php
I'm going to guess that if you're removing all trailing s...
How to change root logging level programmatically for logback
...ent registered/happens inside mockAppender.
Here is how it looks like in test:
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.classic.spi.LoggingEvent;
import ch.qos...
Multiple INSERT statements vs. single INSERT with multiple VALUES
...].
I tried one more experiment (Script) which was to re-run the original test but looking at three different cases.
First Name and Last Name Strings of length 10 characters with no duplicates.
First Name and Last Name Strings of length 50 characters with no duplicates.
First Name and Last Name S...
Array or List in Java. Which is faster?
...
I suggest that you use a profiler to test which is faster.
My personal opinion is that you should use Lists.
I work on a large codebase and a previous group of developers used arrays everywhere. It made the code very inflexible. After changing large chunks of ...