大约有 40,000 项符合查询结果（耗时：0.0401秒） [XML]
JavaScript isset() equivalent
...
I generally use the typeof operator:
if (typeof obj.foo !== 'undefined') {
// your code here
}
It will return "undefined" either if the property doesn't exist or its value is undefined.
(See also: Difference between undefi...
PHP String to Float
I am not familiar with PHP at all and had a quick question.
8 Answers
8
...
Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
...
update your php-intl extension, that's where the icu error comes from!
sudo aptitude install php5-intl // i.e. ubuntu
brew install icu4c // osx
check the extension is enabled and properly c...
deny directory listing with htaccess
...tings.
If you are using a .htaccess file make sure you have at least the "allowoverride options" setting in your main apache config file.
share
|
improve this answer
|
follo...
How do you remove an array element in a foreach loop?
... Please see @Neils answer. You will encounter unexpected bugs, especially if you work with Array of stdClasses. Do you like unexpected behavior? Me not.
– happy_marmoset
Sep 14 '16 at 11:44
...
How to get name of calling function/method in PHP? [duplicate]
...ow users like You :} stackoverflow.com/questions/190421/caller-function-in-php-5/… Now seriously, thanks!
– Dawid Ohia
Jan 21 '10 at 18:44
...
git pull keeping local changes
...e solution based on Git stash. Stash everything that you've changed, pull all the new stuff, apply your stash.
git stash
git pull
git stash pop
On stash pop there may be conflicts. In the case you describe there would in fact be a conflict for config.php. But, resolving the conflict is easy be...
using gitignore to ignore (but not delete) files
...remote repo. How can I stop tracking changes to this directory, but still allow it to exist? I also need to do this for 1 file, but changes to that also show up in git status after .gitignore ing them. What should I do?
...
How to access remote server with local phpMyAdmin client?
Assuming there is a remote server and I have phpMyAdmin client installed localy on my computer. How can I access this server and manage it via phpMyAdmin client? Is that possible?
...
Grabbing the href attribute of an A element
...ml($node), PHP_EOL;
}
The above would find and output the "outerHTML" of all A elements in the $html string.
To get all the text values of the node, you do
echo $node->nodeValue;
To check if the href attribute exists you can do
echo $node->hasAttribute( 'href' );
To get the href att...