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When should I use the assets as opposed to raw resources in Android?
...ion, the raw/ directory is used for:
Arbitrary files to save in their raw form. To open these resources with a raw InputStream, call Resources.openRawResource() with the resource ID, which is R.raw.filename.
However, if you need access to original file names and file hierarchy, you might consider s...
Converting PKCS#12 certificate into PEM using OpenSSL
...as file:
p12 = crypto.load_pkcs12(file.read(), "my_passphrase")
# PEM formatted private key
print crypto.dump_privatekey(crypto.FILETYPE_PEM, p12.get_privatekey())
# PEM formatted certificate
print crypto.dump_certificate(crypto.FILETYPE_PEM, p12.get_certificate())
...
Hash and salt passwords in C#
...pt.
– CodesInChaos
Aug 16 '13 at 16:01
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show 10 more comm...
How can you dynamically create variables via a while loop? [duplicate]
...dictionaries, but that's normally not noticeable in any way (except for performance), and it may change in the future. Examples of namespaces are: the set of built-in names (functions such as abs(), and built-in exception names); the global names in a module; and the local names in a function invoca...
Json.net serialize/deserialize derived types?
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This doesn't work when deserialization is performed on another solution/project. On serialization the name of the Solution is embedded within as type: "SOLUTIONNAME.Models.Model". On deserialization on the other solution it will throw "JsonSerializationException: Could ...
In javascript, is an empty string always false as a boolean?
...w String("") is truthy! This is because it is an object, whereas the short form "" represents the primitive value version. The same goes for new Number(0) and even new Boolean(false). It's a good reason not to use the object versions in your code, and it does mean that if (str.length) handles this e...
Django FileField with upload_to determined at runtime
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Does this work with ModelForm? I can see that instance has all the attributes of the class model, but there are no values (just a str of the field name). In the template, user is hidden. I may have to submit a question, I have been googling this f...
Why exactly is eval evil?
...oblems are. I see now from the answers here what they are (security and performance problems).
– Jay
Apr 3 '10 at 14:21
8
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HTML minification? [closed]
...anagement, image optimization, etc will make a bigger difference to the performance of your site overall. Those tools will show you what the biggest problems are -- if you've dealt with them all and still find that HTML minification makes a significant difference, go for it.
(If you're sure you wa...
What is the purpose of “!” and “?” at the end of method names?
...or readability, but they do have common meanings:
Methods ending in ! perform some permanent or potentially dangerous change; for example:
Enumerable#sort returns a sorted version of the object while Enumerable#sort! sorts it in place.
In Rails, ActiveRecord::Base#save returns false if saving fai...