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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...debug parameters to see remote "Certificate chain" in logs, then grep the "CN" in truststore explicitly passed (instead of default) as follows, if not present, you need to add. ssllabs.com/ssltest/analyze.html will show if server side certs has incomplete chain, and includes intermediate certificati...
Nginx serves .php files as downloads, instead of executing them
...some .php file it's just downloading it...
for example... http://5.101.99.123/info.php it's working but... If I go to the main http://5.101.99.123 it's downloading my index.php :/
...
Only read selected columns
...wever. Large files are usually compressed.
– CoderGuy123
Feb 28 '16 at 9:03
There is a feature request for enabling th...
二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的编码。
（全文完）
文章转自： 酷 壳 – CoolShell.cn
二维码 细节 原理
How to design a multi-user ajax web application to be concurrently safe
...x is acquired
Server receives "Hey, I know artifact x's state from version 123, let me set it to value foo pls."
If the Serverside version of artifact x is equal (can not be less) than 123 the new value is accepted, a new version id of 124 generated.
The new state-information "updated to version 124...
Two sets of parentheses after function call
...'s possible to immediately call the returned function:
$filter('number')('123')
Alternatively, you may keep the returned function for future use:
var numberFilter = $filter('number');
numberFilter('123')
share
...
Copy a variable's value into another
...your top-level object. For example, given this object:
var obj = {
w: 123,
x: {
y: 456,
z: 789
}
};
If you do a shallow copy of that object, then the x property of your new object is the same x object from the original:
var copy = $.extend( {}, obj );
copy.w = 321;
co...
【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
...器查看），凑合着看吧~
文章转载自：https://mc.dfrobot.com.cn/thread-316532-1-1.html
文章aia源码如下：
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资源地址：https://drive.google.com/drive/f ... 0BGKOaa?usp=sharing（如打不开可以直接在附件中下载）
数据在行动1：使用柱...
C# member variable initialization; best practice?
...it : base() unless you add something more specific - which could be : base(123, "abc"), or could be : this(123, "abc").
– Marc Gravell♦
Sep 22 '12 at 9:51
...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
... |
| false | “false” | 0 |
| 123 | “123” | 123 |
| [] | “” | 0 |
| {} | “[object Object]” | NaN |
+-----------------+-------------------+--------...