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Repeat command automatically in Linux
Is it possible in Linux command line to have a command repeat every n seconds?
13 Answers
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How do I import .sql files into SQLite 3?
I have .sql files which have the following content:
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How do I implement basic “Long Polling”?
I can find lots of information on how Long Polling works (For example, this , and this ), but no simple examples of how to implement this in code.
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'dragleave' of parent element fires when dragging over children elements
I have the following HTML structure and I've attached the dragenter and dragleave events to the <div id="dropzone"> element.
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Java - JPA - @Version annotation
How does @Version annotation work in JPA?
5 Answers
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Change Schema Name Of Table In SQL
I want to change schema name of table Employees in Database. In the current table Employees database schema name is dbo I want to change it to exe . How can I do it ?
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Why is SELECT * considered harmful?
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There are really three major reasons:
Inefficiency in moving data to the consumer. When you SELECT *, you're often retrieving more columns from the database than your application really needs to function. This causes more data to move from the database server t...
get size of json object
i have a json object that gets returned by an AJAX request and I am having some trouble with the .length because it keeps returning undefined . Just wondering if I'm using it right:
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Hash function that produces short hashes?
Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly.
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How can I reverse a NSArray in Objective-C?
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For obtaining a reversed copy of an array, look at danielpunkass' solution using reverseObjectEnumerator.
For reversing a mutable array, you can add the following category to your code:
@implementation NSMutableArray (Reverse)
- (...