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How do I insert NULL values using PDO?
...a value at the time of calling bindParam. I found this in a comment on the php docs:
bindValue(':param', null, PDO::PARAM_INT);
EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody (thank you Will Shaver for reporting.)
...
JSON formatter in C#?
... var index = i;
while (index > 0 && str[--index] == '\\')
escaped = !escaped;
if (!escaped)
quoted = !quoted;
break;
case ',':
...
Get Image Height and Width as integer values?
I've tried to use the PHP function getimagesize , but I was unable to extract the image width and height as an integer value.
...
Symfony 2 EntityManager injection in service
... tuning would look like this:
1. Use in your services or Controller
<?php
namespace Test\CommonBundle\Services;
use Doctrine\ORM\EntityManagerInterface;
class UserService
{
private $userRepository;
// use custom repository over direct use of EntityManager
// see step 2
publi...
git reset --hard HEAD leaves untracked files behind
...
git reset --hard && git clean -dfx
or, zsh provides a 'gpristine' alias:
alias gpristine='git reset --hard && git clean -dfx'
Which is really handy. (warning: The "-x" will also delete 'git ignored' files, so remove this if i...
Add Text on Image using PIL
...
To add text on an image file, just copy/paste the code below
<?php
$source = "images/cer.jpg";
$image = imagecreatefromjpeg($source);
$output = "images/certificate".rand(1,200).".jpg";
$white = imagecolorallocate($image,255,255,255);
$black = imagecolorallocate($image,7,94,94);
$font_siz...
What are C++ functors and their uses?
... One is that unlike regular functions, they can contain state. The above example creates a function which adds 42 to whatever you give it. But that value 42 is not hardcoded, it was specified as a constructor argument when we created our functor instance. I could create another adder, which added 27...
意见反馈考虑改为bbs：[url]https://bbs.tsingfun.com/forum.php?mod=forum...
意见反馈考虑改为bbs：https://bbs.tsingfun.com/forum.p ... ypeid&typeid=63已修改。
ls command: how can I get a recursive full-path listing, one line per file?
...ant to use ls, then format its output using awk:
ls -R /path | awk '
/:$/&&f{s=$0;f=0}
/:$/&&!f{sub(/:$/,"");s=$0;f=1;next}
NF&&f{ print s"/"$0 }'
share
|
improve this answ...
Find location of a removable SD card
...){
File root = new File(mount);
if (root.exists() && root.isDirectory() && root.canWrite()) {
File[] list = root.listFiles();
String hash = "[";
if(list!=null){
for(File f : list){
...