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MySQL InnoDB not releasing disk space after deleting data rows from table
I have one MySQL table using the InnoDB storage engine; it contains about 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibdata1 file reduce after running the optimize table command.
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Capturing multiple line output into a Bash variable
I've got a script 'myscript' that outputs the following:
6 Answers
6
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Remove insignificant trailing zeros from a number?
Have I missed a standard API call that removes trailing insignificant zeros from a number?
15 Answers
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What is the advantage to using bloom filters?
... say we want a false positive rate of 1%, using a bloom filter calculator (http://hur.st/bloomfilter?n=1000000&p=0.01) , we get the size of the bloom filter required as only 1.13 MB. This small size is expected as, even though the size of the array is huge, we are only storing 1s or 0s and not t...
Throw an error in a MySQL trigger
If I have a trigger before the update on a table, how can I throw an error that prevents the update on that table?
7 An...
Throwing exceptions from constructors
I'm having a debate with a co-worker about throwing exceptions from constructors, and thought I would like some feedback.
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Concat scripts in order with Gulp
Say, for example, you are building a project on Backbone or whatever and you need to load scripts in a certain order, e.g. underscore.js needs to be loaded before backbone.js .
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How to send email attachments?
I am having problems understanding how to email an attachment using Python. I have successfully emailed simple messages with the smtplib . Could someone please explain how to send an attachment in an email. I know there are other posts online but as a Python beginner I find them hard to understand....
Sharing link on WhatsApp from mobile website (not application) for Android
I have developed a website which is mainly used in mobile phones.
I want to allow users to share information directly from the web page into WhatsApp.
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Recommended way of making React component/div draggable
...ut let me know if you have questions.
And here's the fiddle to play with: http://jsfiddle.net/Af9Jt/2/
var Draggable = React.createClass({
getDefaultProps: function () {
return {
// allow the initial position to be passed in as a prop
initialPos: {x: 0, y: 0}
}
},
getInit...