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Safe characters for friendly url [closed]
...ct is fairly straightforward: [...] params.toString() // "key=730d67"" (3) PHP Manual, http-build-query: "Generate URL-encoded query string. [...] The above example will output: 0=foo&1=bar[...]" (4) J. Starr, Perishable Press: "When building web pages, it is often necessary to add links that re...
Automatic Retina images for web sites
...ring the screen resolution, a web server configured to serve images from a PHP script, and named script to read the cookie and serve the appropriate image.
A bunch of possibilities well described and discussed on Smashing Magazine.
Serving just slightly higher resolutions to smooth retina portrayal ...
How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
...ting things such as:
The signals SIGKILL and SIGSTOP cannot be caught, blocked, or ignored.
and contains the table:
Signal Value Action Comment
----------------------------------------------------------------------
SIGHUP 1 Term Hangup detected on controlling termina...
Angular.js ng-repeat across multiple tr's
...lable-table-wrapper{
background:#268;border:1px solid #268;
display:inline-block;height:285px;min-height:285px;
max-height:285px;width:550px;position:relative;overflow:hidden;padding:26px 0}
div.scrollable-table-wrapper table{position:static}
div.scrollable-table-wrapper tfoot,div.scrollable-table-...
How do I get both STDOUT and STDERR to go to the terminal and a log file?
...tion,
is not race prone, and isn't terribly fiddly either.
First building block: to swap stdout and stderr:
my_command 3>&1 1>&2 2>&3-
Second building block: if we wanted to filter (e.g. tee) only stderr,
we could accomplish that by swapping stdout&stderr, filtering, and...
SVN encrypted password store
... You can get it without recompiling, based on ubuntuforums.org/showthread.php?t=1348567. Just set this to ~/.subversion/config [auth] password-stores = gnome-keyring
– fikr4n
Apr 29 '12 at 3:21
...
Running a cron job at 2:30 AM everyday
...running you can check Debugging crontab or Why is crontab not executing my PHP script?.
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How long do browsers cache HTTP 301s?
...
I confirm that redirecting back (with a PHP redirection in my case) works perfectly on Google Chrome as long as (obviously) you removed the initial 301 redirect.
– Vincent Poirier
Mar 14 '17 at 14:00
...
How to start two threads at “exactly” the same time
...tuff
}};
t1.start();
t2.start();
// At this point, t1 and t2 are blocking on the gate.
// Since we gave "3" as the argument, gate is not opened yet.
// Now if we block on the gate from the main thread, it will open
// and all threads will start to do stuff!
gate.await();
System.out.print...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...he other gets a duplicate key error and does an UPDATE instead. The UPDATE blocks waiting for the INSERT to rollback or commit. When it rolls back, the UPDATE condition re-check matches zero rows, so even though the UPDATE commits it hasn't actually done the upsert you expected. You have to check th...