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Converting camel case to underscore case in ruby
...downcase
end
end
Then you can do fun stuff:
"CamelCase".underscore
=> "camel_case"
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Ruby capitalize every word first letter
...this:
puts 'one TWO three foUR'.split.map(&:capitalize).join(' ')
#=> One Two Three Four
or
puts 'one TWO three foUR'.split.map(&:capitalize)*' '
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Performing regex Queries with pymongo
... compilation you can use the bson regex wrapper that comes with PyMongo:
>>> regx = bson.regex.Regex('^foo')
>>> db.users.find_one({"files": regx})
Regex just stores the string without trying to compile it, so find_one can then detect the argument as a 'Regex' type and form the ...
Take screenshots in the iOS simulator
...
It's just as simple as command+s or File > Save Screen Shot in iOS Simulator. It will appear on your desktop by default.
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Convert an integer to a float number
...t.Printf("The float64 representation of %d is %f\n", i, f)
}
Solution:
>>> Enter an Integer input:
>>> 232332
>>> The float64 representation of 232332 is 232332.000000
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System.Net.Http: missing from namespace? (using .net 4.5)
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NuGet > Microsoft.AspNet.WebApi.Client package
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Is it good practice to make the constructor throw an exception? [duplicate]
...eptional condition that has occurred. If you throw Exception it is difficult for the caller to separate this exception from any number of other possible declared and undeclared exceptions. This makes error recovery difficult, and if the caller chooses to propagate the Exception, the problem just s...
Why does fatal error “LNK1104: cannot open file 'C:\Program.obj'” occur when I compile a C++ project
...s for the project to compile correctly.
On the Configuration Properties -> Linker -> Input tab of the project’s properties, there is an Additional Dependencies property. This issue was fixed by changing this property from:
C:\Program Files\sofware
sdk\lib\library.lib
To:
" C:\P...
How to detect shake event with android?
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// only allow one update every 100ms.
if ((curTime - lastUpdate) > 100) {
long diffTime = (curTime - lastUpdate);
lastUpdate = curTime;
x = values[SensorManager.DATA_X];
y = values[SensorManager.DATA_Y];
z = values[SensorManager.DATA_Z];
float speed ...
Ruby replace string with captured regex pattern
...ant, otherwise you need to escape the \):
"foo".gsub(/(o+)/, '\1\1\1')
#=> "foooooo"
But since you only seem to be interested in the capture group, note that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
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