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Get first n characters of a string
How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
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NodeJS: Saving a base64-encoded image to disk
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UPDATE
I found this interesting link how to solve your problem in PHP. I think you forgot to replace space by +as shown in the link.
I took this circle from http://images-mediawiki-sites.thefullwiki.org/04/1/7/5/6204600836255205.png as sample which looks like:
Next I put it through htt...
Https Connection Android
... add the trusted certs in your own keystore.
http://blog.antoine.li/index.php/2010/10/android-trusting-ssl-certificates/
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MySQL: Fastest way to count number of rows
...ach time you try to count all rows. (based on primary key's column)
Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if inde...
Ways to save Backbone.js model data?
...Tful server end code. Some people like Ruby, some people like .net, I like PHP. Particularly I like SLIM PHP micro-framework. SLIM PHP is a micro-framework that has a very elegant and simple tool set for dealing with RESTful activities. You can define routes (URIs) like in the examples above and dep...
Global variables in Javascript across multiple files
...copy/pasted" into your HTML page before the page is rendered. Or into your PHP page if you will. Please correct me if I'm wrong here. Thanx.
My example files follow:
EXTERNAL JS:
var global = 0;
function f1()
{
alert('fired: f1');
global = 1;
alert('global changed to 1');
}
function...
Sort an Array by keys based on another Array?
Is it possible in PHP to do something like this? How would you go about writing a function? Here is an example. The order is the most important thing.
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Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
...o much for the effort, but what if i want to get the node element with the php function 'file_get_contents($url)', is there any solution, here is my post : stackoverflow.com/questions/21419857/…
– Yassine edouiri
Jan 29 '14 at 17:37
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How to submit a form with JavaScript by clicking a link?
... works well without any special function needed. Much easier to write with php as well. <input onclick="this.form.submit()"/>
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What does Redis do when it runs out of memory?
...ation ground to a halt (writes not possible, reads were possible), running PHP scripts stopped dead in their tracks mid-way and had to be kill -9'd manually (even after memory was made available).
I assumed data loss (or data inconsistency) had occurred so I did a flushdb and restored from backups....