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When are you truly forced to use UUID as part of the design?
...As in, you would need to store 256 exabytes worth of IDs before you had a 50% chance of an ID collision in a single application space.
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Linux command (like cat) to read a specified quantity of characters
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head works too:
head -c 100 file # returns the first 100 bytes in the file
..will extract the first 100 bytes and return them.
What's nice about using head for this is that the syntax for tail matches:
tail -c 100 file # returns the last 100 b...
Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
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202
UPDATE: Amazon now supports gzip compression, so this is no longer needed. Amazon Announcemen...
SET NOCOUNT ON usage
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+150
Ok now I've done my research, here is the deal:
In TDS protocol, SET NOCOUNT ON only saves 9-bytes per query while the text "SET NOCO...
How to find unused/dead code in java projects [closed]
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40
I would instrument the running system to keep logs of code usage, and then start inspecting code...
Co-variant array conversion from x to y may cause run-time exception
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What it means is this
Control[] controls = new LinkLabel[10]; // compile time legal
controls[0] = new TextBox(); // compile time legal, runtime exception
And in more general terms
string[] array = new string[10];
object[] objs = array; // legal at compile time
objs[0] = new Foo()...
using extern template (C++11)
... edited Nov 8 '17 at 6:48
user1902689
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answered Nov 15 '11 at 3:43
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Convert string to symbol-able in ruby
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edited Feb 4 '15 at 10:16
Jake Berger
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Diff files present in two different directories
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answered Jan 7 '10 at 11:31
Laurent EtiembleLaurent Etiemble
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Adding hours to JavaScript Date object?
...ate.prototype.addHours = function(h) {
this.setTime(this.getTime() + (h*60*60*1000));
return this;
}
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