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How do I send a POST request as a JSON?
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If your server is expecting the POST request to be json, then you would need to add a header, and also serialize the data for your request...
Python 2.x
import json
import urllib2
data = {
'ids': [12, 3, 4, 5, 6]
}
req = urllib2.Req...
Can't use method return value in write context
...erence (in order to check whether that reference points to something that exists), and PHP before 5.5 didn't support references to temporary values returned from functions.
However, the real problem you have is that you use empty() at all, mistakenly believing that "empty" value is any different fr...
How to configure Mac OS X term so that git has color? [closed]
I've seen a Mac OS X git demo online in which it's configured to have multiple colors.
6 Answers
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
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Mac OS X Terminal: Map option+delete to “backward delete word”
... to map it from Preferences -> Settings -> Keyboard, but the "key" combo box has only "forward delete" but no "delete". My keyboard on the other hand has only "delete" and no "forward delete"!
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Extract a dplyr tbl column as a vector
...umn a bit nicer (easier to type, and easier to read):
pull <- function(x,y) {x[,if(is.name(substitute(y))) deparse(substitute(y)) else y, drop = FALSE][[1]]}
This lets you do either of these:
iris2 %>% pull('Species')
iris2 %>% pull(Species)
iris2 %>% pull(5)
Resulting in...
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How do I choose grid and block dimensions for CUDA kernels?
...empirical.
Hardware Constraints:
This is the easy to quantify part. Appendix F of the current CUDA programming guide lists a number of hard limits which limit how many threads per block a kernel launch can have. If you exceed any of these, your kernel will never run. They can be roughly summarized a...
Ruby - test for array
... count on the variable. Write unit tests to make sure the method works as expected.
– user132447
Mar 21 '12 at 14:55
14
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How does the ARM architecture differ from x86? [closed]
Is the x86 Architecture specially designed to work with a keyboard while ARM expects to be mobile? What are the key differences between the two?
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Safest way to convert float to integer in python?
...However these functions return the answer as a floating point number. For example:
10 Answers
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