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How do I pass variables and data from PHP to JavaScript?
... always as important as the ongoing performance of the application, and it starts to pay off to load data and code separately.
My answer here explains how to load data using AJAX in JavaScript:
function callback(data){
// What do I do with the response?
}
var httpRequest = new XMLHttpRequest;
h...
What are metaclasses in Python?
... MyType(type):
def __new__(mcls, name, bases, attrs):
if name.startswith('None'):
return None
# Go over attributes and see if they should be renamed.
newattrs = {}
for attrname, attrvalue in attrs.iteritems():
if getattr(attrvalue, 'is_ho...
What are the main purposes of using std::forward and which problems it solves?
...
Thanks for starting with concrete examples first and motivating the problem; very helpful!
– ShreevatsaR
Jan 30 '15 at 20:59
...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...e some simple apps, that have simple db structure similar to sql. When you start having subdocuments and want to make all those crazy queries i found it really hard with mongoose. You have to look at mongodb docs, then look at mongoose docs to find out how to make a query you want. Sometimes you wil...
Send email using java
...
Properties props = new Properties();
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "587");
Session session = Session.getInstance(props,
...
Fastest hash for non-cryptographic uses?
...hing to crypt as all the others.
<?php
set_time_limit(720);
$begin = startTime();
$scores = array();
foreach(hash_algos() as $algo) {
$scores[$algo] = 0;
}
for($i=0;$i<10000;$i++) {
$number = rand()*100000000000000;
$string = randomString(500);
foreach(hash_algos() as $a...
Replace Fragment inside a ViewPager
... with the FragmentPagerAdapter base class used by the author.
I'd like to start by answering the author's question about which ID he should use; it is ID of the container, i.e. ID of the view pager itself. However, as you probably noticed yourself, using that ID in your code causes nothing to happe...
docker mounting volumes on host
...is is the case? Is there a way to have a locally mounted volume but still 'start fresh' with the files from the image?
– LostSalad
Oct 4 '15 at 19:05
...
Equation (expression) parser with precedence?
...
to do this manually, you would have to read the 1, then see the plus and start a whole new recursive parse "session" starting with 11... and make sure to parse the 11 * 5 into its own factor, yielding a parse tree with 1 + (11 * 5).
This all feels so painful even to attempt to explain, especially...
What is the fastest integer division supporting division by zero no matter what the result is?
...443s
If zeroes are rare, the -DCHECK=2 version performs badly. As zeroes start appearing more, the -DCHECK=2 case starts performing significantly better. Out of the other options, there really isn't much difference.
For -O3, though, it is a different story:
Iterations → | 0 | 1 |...