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Symfony2 : How to get form validation errors after binding the request to the form
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I also did the first one (w/ php templates <?php echo $view['form']->errors($form) ?>) but still it's empty!
– putolaruan
Aug 8 '11 at 10:33
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
...明，libev 的成本要低得多，因此比 libevent 更快。API 设计问题也在结果中发挥作用，因为在使用计时器时，本机 API 可以比模拟 API 做得更好。尽管这使 libev 处于劣势（仿真层必须模拟其原生 API 没有的 libevent 的某些方面。它还...
Simple regular expression for a decimal with a precision of 2
...e
deci_num_checker = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
valid = ["123.12", "2", "56754", "92929292929292.12", "0.21", "3.1"]
invalid = ["12.1232", "2.23332", "e666.76"]
assert len([deci_num_checker.match(x) != None for x in valid]) == len(valid)
assert [deci_num_checker.match(x) == None fo...
How to concatenate strings in twig
...oncat('http://', app.request.host) }}:
In src/AppBundle/Twig/AppExtension.php
<?php
namespace AppBundle\Twig;
class AppExtension extends \Twig_Extension
{
/**
* {@inheritdoc}
*/
public function getFunctions()
{
return [
new \Twig_SimpleFunction('conca...
Laravel orderBy on a relationship
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It is possible to extend the relation with query functions:
<?php
public function comments()
{
return $this->hasMany('Comment')->orderBy('column');
}
[edit after comment]
<?php
class User
{
public function comments()
{
return $this->hasMany('Comment');...
Add leading zeroes to number in Java? [duplicate]
... If Java 1.4 and below, try new DecimalFormat("00000").format(123); as shown here javadevnotes.com/java-integer-to-string-with-leading-zeros
– JavaDev
Mar 5 '15 at 3:37
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How do I get the current date in JavaScript?
... moment as if it were a language. Mine here uses the same common format as PHP: date.
Quick Links
Date.format.min.js 5.08 KB
dateFormat.min.js 4.16 KB
Flavor 1 new Date().format(String)
My Personal Fav. I know the taboo but works great on the Date Object. Just be aware of any other mods yo...
Is it possible to specify condition in Count()?
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AdaTheDevAdaTheDev
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How does tuple comparison work in Python?
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the same thing goes for integers too.
x = (1,2,2) # see it the string "123"
y = (1,2,3)
x > y # False
because (1 is not greater than 1, move to the next, 2 is not greater than 2, move to the next 2 is less than three -lexicographically -)
The key point is mentioned in the answer ab...
How to display Base64 images in HTML?
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If you have PHP on the back-end, you can use this code:
$image = 'http://images.itracki.com/2011/06/favicon.png';
// Read image path, convert to base64 encoding
$imageData = base64_encode(file_get_contents($image));
// Format the image...