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Upgrade python packages from requirements.txt using pip command
...ch to unpinned versions in your requirements file.
Example:
lxml>=2.2.0
This would upgrade lxml to any version newer than 2.2.0
lxml>=2.2.0,<2.3.0
This would upgrade lxml to the most recent version between 2.2.0 and 2.3.0.
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php var_dump() vs print_r()
...$obj) will display below output in the screen.
object(stdClass)#1 (3) {
[0]=> string(12) "qualitypoint"
[1]=> string(12) "technologies"
[2]=> string(5) "India"
}
And, print_r($obj) will display below output in the screen.
stdClass Object (
[0] => qualitypoint
[1] => technolo...
Force unmount of NFS-mounted directory [closed]
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answered Sep 2 '08 at 19:05
tesseintessein
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How do I get the n-th level parent of an element in jQuery?
...to the outer ones, you can chain it into eq():
$('#element').parents().eq(0); // "Father".
$('#element').parents().eq(2); // "Great-grandfather".
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How can I deploy an iPhone application from Xcode to a real iPhone device?
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answered Oct 30 '08 at 23:48
rpetrichrpetrich
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...e compiler will sometimes initialize memory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens.
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How to convert a string with comma-delimited items to a list in Python?
...e shell.
– A. Wilson
Jan 25 '13 at 20:19
3
eval('[' + text + ']') will treat a,b,c as variables, ...
C++0x has no semaphores? How to synchronize threads?
Is it true that C++0x will come without semaphores? There are already some questions on Stack Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread:
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Importing data from a JSON file into R
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190
First install the rjson package:
install.packages("rjson")
Then:
library("rjson")
json_file ...
When to use in vs ref vs out
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404
You should use out unless you need ref.
It makes a big difference when the data needs to be ma...