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Composer Warning: openssl extension is missing. How to enable in WAMP
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WAMP uses different php.ini files in the CLI and for Apache. when you enable php_openssl through the WAMP UI, you enable it for Apache, not for the CLI.
You need to modify C:\wamp\bin\php\php-5.4.3\php.ini to enable it for the CLI.
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SQL join on multiple columns in same tables
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Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
... has been presented (when the viewDidAppear: message is sent).
Caution
If you do make a call to presentViewController:animated:completion: in the viewDidAppear: you may run into an issue whereby the modal view controller is always being presented whenever the view controller's view appears (whic...
Static and Sealed class differences
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You can simply differentiate both of them as:
Sealed Class | Static Class
--------------------------|-------------------------
it can inherit From other | it cannot inherit From other
classes but cannot be | classes ...
Can I comment out a line in a .git/config file?
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Why is a pure virtual function initialized by 0?
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This kind of nifty thing makes me think C++ is not very polished. It's weird considering it's so much used. I hope the language will be better with the days passing.
– jokoon
Jan 1 '11 at 18:26
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How to use JNDI DataSource provided by Tomcat in Spring?
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If using Spring's XML schema based configuration, setup in the Spring context like this:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jee="http...
What is ECMAScript?
...ript all use ECMAScript as its core. As a comparison, AS/JS/JScript are 3 different cars, but they all use the same engine... each of their exteriors is different though, and there have been several modifications done to each to make it unique.
The history is, Brendan Eich created Mocha which becam...
“Active Directory Users and Computers” MMC snap-in for Windows 7?
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Per Noalt's answer is correct. However, if you want the snap-in mentioned in the title (Users and Computers), you'll also have to run these commands at a command-line afterwards, as an Administrator:
dism /online /enable-feature /featurename:RemoteServerAdministra...
Teachable Machine 图像分类扩展 · App Inventor 2 中文网
...摄像头
连续分类
支持（StartContinuousClassification）
不支持
图片分类
支持对已有图片分类
不支持，仅支持摄像头实时拍摄
分类结果获取
属性直接获取（Classification、Confid...