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Python: print a generator expression?
...for example:
>>> sorted(x*x for x in range(10))
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
Basically all the other comprehensions available in Python 3 and Python 2.7 is just syntactic sugar around a generator expression. Set comprehensions:
>>> {x*x for x in range(10)}
{0, 1, 4, 81,...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
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Is \d not supported by grep's basic expressions?
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Rails ActionMailer - format sender and recipient name/email address
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237
If you are taking user input for name and email, then unless you very carefully validate or es...
Using “label for” on radio buttons
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218
You almost got it. It should be this:
<input type="radio" name="group1" id="r1" value=...
bash assign default value
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209
Use a colon:
: ${A:=hello}
The colon is a null command that does nothing and ignores its ar...
DefaultInlineConstraintResolver Error in WebAPI 2
I'm using Web API 2 and I'm getting the following error when I send a POST to my API method using IIS 7.5 on my local box.
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What is a bank conflict? (Doing Cuda/OpenCL programming)
...same bank the access has to be serialized (this is a bank conflict). For gt200 gpus there are 16 banks (32banks for fermi), 16 or 32 banks for AMD gpus (57xx or higher: 32, everything below: 16)), which are interleaved with a granuity of 32bit (so byte 0-3 are in bank 1, 4-7 in bank 2, ..., 64-69 in...
How can I calculate the time between 2 Dates in typescript
...70-01-01, and subtract those:
var time = new Date().getTime() - new Date("2013-02-20T12:01:04.753Z").getTime();
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Abort makefile if variable not set
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279
TL;DR: Use the error function:
ifndef MY_FLAG
$(error MY_FLAG is not set)
endif
Note that ...