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RegEx to parse or validate Base64 data
...idates quite well. If you'd just like to match base64-ish I'd come up with doing ^[a-zA-Z0-9+/]={0,3}$, this is better!
– Lodewijk
Sep 10 '14 at 0:59
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Reading a binary file with python
...The remaining part forms the body, to know the number of bytes in the body do an integer division by 4; The obtained quotient is multiplied by the string 'i' to create the correct format for the unpack method:
struct.unpack("i" * ((len(fileContent) -24) // 4), fileContent[20:-4])
The end byte: st...
How to use mod operator in bash?
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Try the following:
for i in {1..600}; do echo wget http://example.com/search/link$(($i % 5)); done
The $(( )) syntax does an arithmetic evaluation of the contents.
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What is “assert” in JavaScript?
What does assert mean in JavaScript?
14 Answers
14
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Should __init__() call the parent class's __init__()?
...super init if the super class actually had an init defined (which it often doesn't). Therefore, people typically think about calling super method, rather than doing it out of principle.
– Martin v. Löwis
Sep 6 '09 at 14:47
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Postgres: “ERROR: cached plan must not change result type”
...xception is being thrown by the PostgreSQL 8.3.7 server to my application.
Does anyone know what this error means and what I can do about it?
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What's a reliable way to make an iOS app crash?
...when the user performs a particular action that a real user is unlikely to do accidentally.
18 Answers
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What is a “first chance exception”?
What exactly is a first chance exception? How and where does it originate in a .NET program? And why is it called by that peculiar name (what 'chance' are we talking about)?
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How to define multiple CSS attributes in jQuery?
...hange. It's more maintainable and readable.
If you really have the urge to do multiple CSS properties, then use the following:
.css({
'font-size' : '10px',
'width' : '30px',
'height' : '10px'
});
NB!
Any CSS properties with a hyphen need to be quoted.
I've placed the quotes so no one will ...
Split string to equal length substrings in Java
.... Furthermore, \G is not implemented consistently across the flavors that do support it. This trick will work (for example) in Java, Perl, .NET and JGSoft, but not in PHP (PCRE), Ruby 1.9+ or TextMate (both Oniguruma). JavaScript's /y (sticky flag) isn't as flexible as \G, and couldn't be used th...