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angular.element vs document.getElementById or jQuery selector with spin (busy) control
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Xcode 5 & Asset Catalog: How to reference the LaunchImage?
...he iPad images with no status bar):
LaunchImage-568h@2x.png
LaunchImage-700-568h@2x.png
LaunchImage-700-Landscape@2x~ipad.png
LaunchImage-700-Landscape~ipad.png
LaunchImage-700-Portrait@2x~ipad.png
LaunchImage-700-Portrait~ipad.png
LaunchImage-700@2x.png
LaunchImage-Landscape@2x~ipad.png
LaunchIma...
Copying data from one SQLite database to another
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edited Mar 23 '16 at 14:10
Thomas Tempelmann
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create a trusted self-signed SSL cert for localhost (for use with Express/Node)
... to my future self, here is what you need to do:
I'm working on Windows 10, with Chrome 65. Firefox is behaving nicely - just confirm localhost as a security exception and it will work. Chrome doesn't:
Step 1. in your backend, create a folder called security. we will work inside it.
Step 2. crea...
Difference between StringBuilder and StringBuffer
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Raimund Krämer
1,03677 silver badges2626 bronze badges
answered Dec 10 '08 at 4:36
sblundysblundy
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How do I check if an array includes a value in JavaScript?
...ay, value)
Lodash: _.includes(array, value, [from]) (is _.contains prior 4.0.0)
Ramda: R.includes(value, array)
Notice that some frameworks implement this as a function, while others add the function to the array prototype.
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What is a loop invariant?
...et's look at a simple for loop that looks like this:
int j = 9;
for(int i=0; i<10; i++)
j--;
In this example it is true (for every iteration) that i + j == 9. A weaker invariant that is also true is that
i >= 0 && i <= 10.
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What unique features does Firebug have that are not built-in to Firefox?
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15.11.2014 - FF 33.0: There have been a lot of improvements to the native inspect tool: Filters are available for network tab; Lots of really cool and useful features: 3D View, Responsive Design mode, Color grabber, Used font + fon...
Convert data.frame columns from factors to characters
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370
Just following on Matt and Dirk. If you want to recreate your existing data frame without chang...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...Command({replSetStepDown : 1, force : true})
或者使用 rs.stepDown(120)也可以达到同样的效果，中间的数字指不能在停止服务这段时间成为主节点，单位为秒。
设置一个从节点有比主节点有更高的优先级。
先查看当前集群中优先级，通...