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How are software license keys generated?
... honest, this strikes me as (in)Security Through Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they using? Is it a message digest? If so, what data would they be hashing...
Can I target all tags with a single selector?
I'd like to target all h tags on a page. I know you can do it this way...
10 Answers
1...
php stdClass to array
...g functions). "But I already did this" you say. Not exactly - you used json_decode on the array, but you need to encode it with json_encode first.
Requirements
The json_encode and json_decode methods. These are automatically bundled in PHP 5.2.0 and up. If you use any older version there's also a ...
How do I call setattr() on the current module?
...
import sys
thismodule = sys.modules[__name__]
setattr(thismodule, name, value)
or, without using setattr (which breaks the letter of the question but satisfies the same practical purposes;-):
globals()[name] = value
Note: at module scope, the latter is eq...
How to split one string into multiple strings separated by at least one space in bash shell?
...g variable to a for loop? Bash, for one, will split on whitespace automatically.
sentence="This is a sentence."
for word in $sentence
do
echo $word
done
This
is
a
sentence.
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Android Studio - How to increase Allocated Heap Size
...ge. The memory usage indicated at the bottom right of the program says my allocated heap is maxed at 494M.
22 Answers
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Where is Vagrant saving changes to the VM?
...omething like "D:\VHDs\VBox\" and there I found my vagrant test vm: "test01_1347456065". It was called test01, so I guess vagrant adds the numbers to keep things unique.
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How to prevent favicon.ico requests?
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I will first say that having a favicon in a Web page is a good thing (normally).
However it is not always desired and sometime developers need a way to avoid the extra payload. For example an IFRAME would request a favicon without showing it.
Worst yet, in Chrome and Android an IFRAME will generate...
Spring Cache @Cacheable - not working while calling from another method of the same bean
Spring cache is not working when calling cached method from another method of the same bean.
9 Answers
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How many parameters are too many? [closed]
...e first place, and qualifying your question as much as you did, that you really know all of this. The best solution here is not to rely on a hard and fast number, but instead look towards design reviews and code reviews among your peers to identify areas where you have low cohesion and tight coupli...