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MySQL stored procedure vs function, which would I use when?
...d function you can.
e.g. SELECT get_foo(myColumn) FROM mytable is not valid if get_foo() is a procedure, but you can do that if get_foo() is a function. The price is that functions have more limitations than a procedure.
s...
Can you determine if Chrome is in incognito mode via a script?
...es. The FileSystem API is disabled in incognito mode. Check out https://jsfiddle.net/w49x9f1a/ when you are and aren't in incognito mode.
Sample code:
var fs = window.RequestFileSystem || window.webkitRequestFileSystem;
if (!fs) {
console.log("check failed?");
} else {
fs...
ssh: connect to host github.com port 22: Connection timed out
...ed.
For me I am getting this error on my AWS EC2 UBUNTU instance, what I did to resolve it was to edit the ssh config (or add it if it does not exist).
sudo nano ~/.ssh/config
And I added the following
Host github.com
Hostname ssh.github.com
Port 443
Then, run the command ssh -T git@github.c...
Getting the current Fragment instance in the viewpager
... using a trick related to the FragmentPagerAdapter implementation:
case R.id.addText:
Fragment page = getSupportFragmentManager().findFragmentByTag("android:switcher:" + R.id.pager + ":" + ViewPager.getCurrentItem());
// based on the current position you can then cast the page to the corr...
Fastest Way to Serve a File Using PHP
I'm trying to put together a function that receives a file path, identifies what it is, sets the appropriate headers, and serves it just like Apache would.
...
What is the best way to trigger onchange event in react js
We use Backbone + ReactJS bundle to build a client-side app.
Heavily relying on notorious valueLink we propagate values directly to the model via own wrapper that supports ReactJS interface for two way binding.
...
Pandas: Looking up the list of sheets in an excel file
...he excel sheet in ExcelFile? Also, say I look up the list of sheets and decide to load N of them, should I at that point call read_excel (the new interface) for each sheet, or stick to x1.parse?
– Amelio Vazquez-Reina
Jul 31 '13 at 18:03
...
Tips for debugging .htaccess rewrite rules
...erefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot enable a RewriteLogLevel" as many respondents suggest. Also there are many .htaccess -specific pitfalls and constraints are aren't covered well. Setting up a local test...
淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...带来了挑战。为此，我们设计了通用的数据中间层——glider——来屏蔽这个影响。glider以HTTP协议对外提供restful方式的接口。数据产品可以通过一个唯一的URL获取到它想要的数据。
以上是淘宝海量数据产品在技术架构方面的一...
Multiple controllers with AngularJS in single page app
...e controllers, just use multiple ngController directives:
<div class="widget" ng-controller="widgetController">
<p>Stuff here</p>
</div>
<div class="menu" ng-controller="menuController">
<p>Other stuff here</p>
</div>
You will need to have ...