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Storing Image Data for offline web application (client-side storage database)
... about 10MB - 20MB of data that it will save (client-side) consisting mainly of PNG image files. The operation is as follows:
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Python: most idiomatic way to convert None to empty string?
What is the most idiomatic way to do the following?
16 Answers
16
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How can a Javascript object refer to values in itself? [duplicate]
Lets say I have the following javascript:
8 Answers
8
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How do I create directory if none exists using File class in Ruby?
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You can use FileUtils to recursively create parent directories, if they are not already present:
require 'fileutils'
dirname = File.dirname(some_path)
unless File.directory?(dirname)
FileUtils.mkdir_p(dirname)
end
Edit:...
Two way/reverse map [duplicate]
I'm doing this switchboard thing in python where I need to keep track of who's talking to whom, so if Alice --> Bob, then that implies that Bob --> Alice.
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How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
11
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Why are preprocessor macros evil and what are the alternatives?
I have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alte...
Using group by on multiple columns
I understand the point of GROUP BY x .
2 Answers
2
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Laravel Eloquent ORM Transactions
The Eloquent ORM is quite nice, though I'm wondering if there is an easy way to setup MySQL transactions using innoDB in the same fashion as PDO, or if I would have to extend the ORM to make this possible?
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jQuery object equality
How do I determine if two jQuery objects are equal? I would like to be able to search an array for a particular jQuery object.
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