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【解决】php7.x后报错Warning: Use of undefined constant PRE - assumed问...
...。具体步骤如下：1、打开 php ini2、设置 error_reporting = E_ALL & ~E_DEPRECATED & 解决此种问题也不难，只是报了”Warning警告“，只需要关闭”PHP错误提示“就行了。步骤如下：
1、打开 php.ini
2、设置 error_reporting = E_ALL & ~E_DEPRECATED & ~...
自定义下载器扩展：个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...
... notification message for download complete notification.
Get a list of all download IDs
Get the ASD path of your app
Get the current download ID.
Cancel all ongoing downloads.
This block converts the bytes into KB and MB automatically, You can use own calculation for converting bytes...
Compare two objects and find the differences [duplicate]
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One Flexible solution: You could use reflection to enumerate through all of the properties and determine which are and are not equal, then return some list of properties and both differing values.
Here's an example of some code that is a good start for what you are asking. It only looks at F...
Css height in percent not working [duplicate]
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You need to set a 100% height on all your parent elements, in this case your body and html. This fiddle shows it working.
html, body { height: 100%; width: 100%; margin: 0; }
div { height: 100%; width: 100%; background: #F52887; }
<html><body...
Is there any way to view the currently mapped keys in Vim?
Basically, I'd like to view all of the keys maps made in the current buffer by all of plugins, vimrc, etc, in the current buffer. Is there anyway to do this?
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How can I use NSError in my iPhone App?
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Well, what I usually do is have my methods that could error-out at runtime take a reference to a NSError pointer. If something does indeed go wrong in that method, I can populate the NSError reference with error data and return nil from the ...
How do cache lines work?
...hyperthreading is way better than in P4 days (so a prefetch thread is typically a waste). Also, the x86 tag wiki has lots of performance links for that architecture.
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Create a shortcut on Desktop
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This was really close for me. I needed to add the .exe's directory to the "WorkingDirectory" property on shortcut. (shortcut.WorkingDirectory) +1
– samuelesque
May 16 '14 at 19:11
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Weird “[]” after Java method signature
... Java platform, a declaration form
for a method that returns an array is allowed to place (some or all of) the empty
bracket pairs that form the declaration of the array type after the parameter list.
This is supported by the obsolescent production:
MethodDeclarator:
Meth...
Sass calculate percent minus px
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I would say that calc() does not at all work in most browsers. Mobile platforms are just as important as desktops.
– dalgard
Feb 7 '13 at 15:10
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