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When should one use a spinlock instead of mutex?
...e it a try and compare the results (e.g. using a profiler), but be sure to test both cases, a single-core and a multi-core system before you jump to conclusions (and possibly different operating systems, if your code will be cross-platform).
Update: A Warning for iOS
Actually not iOS specific but ...
Why would finding a type's initializer throw a NullReferenceException?
This has got me stumped. I was trying to optimize some tests for Noda Time, where we have some type initializer checking. I thought I'd find out whether a type has a type initializer (static constructor or static variables with initializers) before loading everything into a new AppDomain . To my ...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
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I've been testing this code with IIS 7 and it hasn't been working for me. I have a CSV file that I'm testing. I've been changing the extension of the CSV (to .png, .jpeg, etc) and the mimetype changes with the extension (image/png, i...
Generating a random & unique 8 character string using MySQL
...
MD5(2) = c81e728d9d4c2f636f067f89cc14862c => c81e728d
MD5(3) = eccbc87e4b5ce2fe28308fd9f2a7baf3 => eccbc87e
etc.
caveat: I have no idea how many you could allocate before a collision (but it would be a known and constant value).
edit: This is now an old answer, but I saw it again with tim...
Colored logcat in android studio by colorpid
...se 657B83
Debug 93A1A1
Info 22AAAA
Warning B58900
Error CB4B16
Assert 6C71C4
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Loading/Downloading image from URL on Swift
...http://cdn.sstatic.net/Sites/stackoverflow/company/Img/photos/big/6.jpg?v=f4b7c5fee820")!
imageView.af_setImageWithURL(downloadURL)
that's it!! it will take care everything
Great thanks to Alamofire guys, for making iDevelopers life easy ;)
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The Web Application Project […] is configured to use IIS. The Web server […] could not be found.
...tTypeGuids>{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>
I tried deleting only the first one, but it wasn't enough.
EDIT: As many users have pointed out, this can change your project type or mess with your source control program. I can't i...
How can I get the SQL of a PreparedStatement?
...ad Stern It prints, oracle.jdbc.driver.OraclePreparedStatementWrapper@1b9ce4b instead of printing the the executed sql statement! Please guide us!
– AVA
Dec 7 '15 at 12:20
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What does the git index contain EXACTLY?
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Bit by bit analysis
I've decided to do a little testing to better understand the format and research some of the fields in more detail.
Results bellow are the same for Git versions 1.8.5.2 and 2.3.
I have marked points which I'm not sure / haven't found with TODO: please...
What is Python buffer type for?
...t;> t = buffer(s, 6, 5)
>>> t
<read-only buffer for 0x10064a4b0, size 5, offset 6 at 0x100634ab0>
>>> print t
world
The buffer in this case is a sub-string, starting at position 6 with length 5, and it doesn't take extra storage space - it references a slice of the strin...