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How to calculate percentage with a SQL statement
... does work. The answer by gordyii was close but had the multiplication of 100 in the wrong place and had some missing parenthesis.
Select Grade, (Count(Grade)* 100 / (Select Count(*) From MyTable)) as Score
From MyTable
Group By Grade
...
Equation for testing if a point is inside a circle
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answered Jan 26 '09 at 20:09
jasonjason
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How to ssh to vagrant without actually running “vagrant ssh”?
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108
I've had to re-implement "vagrant ssh" because it's -c option didn't pass on arguments properly...
how to split the ng-repeat data with three columns using bootstrap
...on and usage.
function chunk(arr, size) {
var newArr = [];
for (var i=0; i<arr.length; i+=size) {
newArr.push(arr.slice(i, i+size));
}
return newArr;
}
$scope.chunkedData = chunk(myData, 3);
Then your view would look like this:
<div class="row" ng-repeat="rows in chunkedData"&...
How to calculate md5 hash of a file using javascript
...enerally unable to read files from the local filesystem.
I wrote that in 2009. So what about new browsers?
With a browser that supports the FileAPI, you *can * read the contents of a file - the user has to have selected it, either with an <input> element or drag-and-drop. As of Jan 2013, her...
Apache POI Excel - how to configure columns to be expanded?
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answered Jan 6 '11 at 6:05
SeanSean
6,95911 gold badge2121 silver badges2525 bronze badges
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Similar to jQuery .closest() but traversing descendants?
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answered Jan 22 '12 at 15:06
Rob WRob W
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What is the difference between i++ and ++i?
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206
Oddly it looks like the other two answers don't spell it out, and it's definitely worth saying:...
How to check if an activity is the last one in the activity stack for an application?
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10 Answers
10
Active
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TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...效。 听起来似乎很简单，好像就是在发送端发包时记下t0，然后接收端再把这个ack回来时再记一个t1，于是RTT = t1 – t0。没那么简单，这只是一个采样，不能代表普遍情况。
经典算法
RFC793 中定义的经典算法是这样的：
1...