大约有 40,000 项符合查询结果（耗时：0.0386秒） [XML]
Fastest way to convert string to integer in PHP
... 0.42208
intval("hello"): 0.93678 (222%)
On average, calling intval() is two and a half times slower, and the difference is the greatest if your input already is an integer.
I'd be interested to know why though.
Update: I've run the tests again, this time with coercion (0 + ...
Do checkbox inputs only post data if they're checked?
... behaviour is the value is only sent if the checkbox is checked. This typically means you need to have a way of remembering what checkboxes you are expecting on the server side since not all the data comes back from the form.
The default value is always "on", this should be consistent across browse...
Replace input type=file by an image
...
This works really well for me:
.image-upload>input {
display: none;
}
<div class="image-upload">
<label for="file-input">
<img src="https://icon-library.net/images/upload-photo-icon/upload-photo-icon-21...
PHP Composer update “cannot allocate memory” error (using Laravel 4)
... you should be committing your composer.lock file and doing a composer install on a production environment which is less resource intensive.
More details here:
https://github.com/composer/composer/issues/1898#issuecomment-23453850
...
How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
...
Also was getting an overflow, normally meaning that milliseconds are involved, solved simply as: select dbo.fn_ConvertToDateTime( src_column/1000 ) from src_table;
– access_granted
Jan 10 '19 at 4:42
...
A more pretty/informative Var_dump alternative in PHP? [closed]
...
A full year of time and labor after asking this, I've finally open sourced my version of var_dump, Kint. Read about it in the project page, or directly in github.
Here's a screenshot:
Sorry for the plug :)
EDIT: I'd just like to remind the commenters, that this is not a supp...
Try/Catch block in PHP not catching Exception
...s someone else in the same situation.
I had my exception in my namespace called A and the script was in a namespace called B. The problem was that I had A\MyException which equals (in PHP) \B\A\MyException (because my script is in the namespace called B!). All I had to do to fix it was to add backs...
蜘蛛的故事 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...下来，问这只蜘蛛：“你我相见总算是有缘，我来问你个问题，看你修炼了这一千多年来，有什么真知拙见。怎么样？”蜘蛛遇见佛主很是高兴，连忙答应了。佛主问到：“世间什么才是最珍贵的？”蜘蛛想了想，回答到：“世...
解决：无法通过windows installer服务安装此安装程序包。您必须安装带有更...
...必须安装带有更新版本windows installer服务的Windows出现这个问题不让安装程序，可...
无法通过windows installer服务安装此安装程序包。您必须安装带有更新版本windows installer服务的Windows。
出现这个问题不让安装程序，可以到微软网...
解决：参数 basepath 不能是相对路径？？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...改动或手动设置参数后项目路径发生了变更都会出现这个问题。项目属性 -> 配置 -> 调试：改成上图（即VS默认配置）即...由于手动将调试参数改动或手动设置参数后项目路径发生了变更都会出现这个问题。
项目属性 -> 配置 ->...