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Saving an Object (Data persistence)
... Company('Apple', 114.18), Company('Google', 908.60), Company('Microsoft', 69.18)
]
save_object(tech_companies, 'tech_companies.pkl')
and restore the list and everything in it later with:
with open('tech_companies.pkl', 'rb') as input:
tech_companies = pickle.load(input)
The major advantage...
Timer function to provide time in nano seconds using C++
... as stated in http://msdn.microsoft.com/en-us/library/windows/desktop/ee417693(v=vs.85).aspx
...While QueryPerformanceCounter and QueryPerformanceFrequency typically adjust for
multiple processors, bugs in the BIOS or drivers may result in these routines returning
different values as the thr...
What's the difference between event.stopPropagation and event.preventDefault?
...
69
return false;
return false; does 3 separate things when you call it:
event.preventDefault(...
What does OSGi solve?
...ent agent. This management agent can be as simple as a command shell, a TR-69 management protocol driver, OMA DM protocol driver, a cloud computing interface for Amazon's EC2, or an IBM Tivoli management system. The standardized management API makes it very easy to integrate OSGi technology in exist...
Filter rows which contain a certain string
...3.570 15.84 0 0 3 4
#> 6 Merc 240D 24.4 4 146.7 62 3.69 3.190 20.00 1 0 4 2
The now superseded syntax for the same would be:
mtcars %>%
rownames_to_column("type") %>%
filter_at(.vars= vars(type), all_vars(!grepl('Toyota|Mazda',.)))
String in all columns:
...
base64 encoded images in email signatures
...p8PB8llKmAIReiW040keUvmUygiexcwbWJwxUrzBDW+Thn
qLEB5UDUe0LxYwJmAhKk+pAqVLZE69qWGZpTQwG7ZISuw7uwzDFAXTXYYoJraKym
Q/HSASDpiiUFljbYitfYRtCF635yMRBUn4UA8aYclCw0shefW7gUgPxBKGPHA5pK
MpwsKy5AcmNZSIVHjdjI2eLwVZlK44IHQT8lkq7XTDznrAIEWMTErZwbsT/hQj1L
noXLV6YwS5eIJqIDf4tyLZB5Av1ZNrLzQSplrXVkOgxItBU1E+DCwC2xFZ...
Generic method multiple (OR) type constraint
...
69
That is not possible. You can, however, define overloads for specific types:
public void test...
Error-Handling in Swift-Language
...
69
Update June 9th 2015 - Very important
Swift 2.0 comes with try, throw, and catch keywords and ...
What's the fastest way to merge/join data.frames in R?
...790 131.70 0.08 NA NA
3 plyr 1 212.69 75.690391 211.57 0.56 NA NA
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How does HTTP file upload work?
... multipart/form-data; boundary=---------------------------735323031399963166993862150
Content-Length: 834
-----------------------------735323031399963166993862150
Content-Disposition: form-data; name="text1"
text default
-----------------------------735323031399963166993862150
Content-Disposition:...