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Database design for audit logging
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One method that is used by a few wiki platforms is to separate the identifying data and the content you're auditing. It adds complexity, but you end up with an audit trail of complete records, not just listings of fields that were edited that you then have to mash up to give the user an ide...
How can I create and style a div using JavaScript?
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var div = document.createElement("div");
div.style.width = "100px";
div.style.height = "100px";
div.style.background = "red";
div.style.color = "white";
div.innerHTML = "Hello";
document.getElementById("main").appendChild(div);
<body>
<div id="main"></d...
How do I set the offset for ScrollSpy in Bootstrap?
...o is set your anchor to the container <section> or <div> tag's id, which the nav/navbar will automatically use. Then you have to set your padding-top for the container to the amount offset you want, and the margin-top for the container to the opposite of the padding-top. Now your conta...
CSS selector with period in ID
The HTML spec allows for periods (.) in an id:
2 Answers
2
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How are the points in CSS specificity calculated
...earching specificity I stumbled upon this blog - http://www.htmldog.com/guides/cssadvanced/specificity/
7 Answers
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How to use GROUP BY to concatenate strings in MySQL?
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SELECT id, GROUP_CONCAT(name SEPARATOR ' ') FROM table GROUP BY id;
http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html#function_group-concat
From the link above, GROUP_CONCAT: This function returns a string result wit...
ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page
... for the review page but only to the app
itms-apps://itunes.apple.com/app/idAPP_ID
Where APP_ID need to be replaced with your Application ID. Based on the App ID from the question it would be the following
itms-apps://itunes.apple.com/app/id353372460
Notice the id in front of the number ... th...
mongo group query how to keep fields
... group, you can try aggregating like:
db.test.aggregate({
$group: {
_id : '$name',
name : { $first: '$name' },
age : { $first: '$age' },
sex : { $first: '$sex' },
province : { $first: '$province' },
city : { $first: '$city' },
area : { $first: '$area' },
address : { $first...
Pandas get topmost n records within each group
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Did you try df.groupby('id').head(2)
Ouput generated:
>>> df.groupby('id').head(2)
id value
id
1 0 1 1
1 1 2
2 3 2 1
4 2 2
3 7 3 1
4 8 4 1
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Removing duplicate objects with Underscore for Javascript
...ed (e.g. _.uniq(a, false, 'a')) I pinged github/bestiejs/lodash and they said the issue was fixed on edge. So if you're not using a function, make sure you have the latest. This may not be an issue for underscore.
– Shanimal
Mar 16 '13 at 15:08
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