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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...ronment. I can use the standard conda install... command to put packages from the distribution into my environments, but to use anything outside (i.e. Flask-WTF, flask-sqlalchemy, and alembic) I need to use pip install in the active environment. However, when I look at the contents of the enviro...
Convert ArrayList to String[] array [duplicate]
...ining a primitive type object, e.g. Double, Float, Integer, Long. And then from there your normal arrays must be defined with this type, e.g. Double[] myDoubleArray = list.toArray(new Double[listOfDoubles.size()]);
– planty182
Sep 5 '13 at 13:03
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What are file descriptors, explained in simple terms?
...iptors, if you open lots of files at once. Which will prevent *nix systems from running, since they open descriptors to stuff in /proc all the time.
– Spencer Rathbun
May 10 '12 at 12:51
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unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
...in xcode 7.3.1:
error: Error in auto-import:
failed to get module 'Touch' from AST context:
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/lib...
How can I use functional programming in the real world? [closed]
...Programming"
Examples are in F# and C#, but the theory is fairly generic.
From what I've read (pre-release) it is definitely interesting, but so far I think it is making me want to stick more and more with C#, using libraries like Parallel Extensions.
...
Converting JSON String to Dictionary Not List
...nts, and then adding [0] on the end of it will take just the first element from that resulting list slice. What you need to use to get the result you want is a list comprehension:
[p[0] for p in datapoints[0:5]]
Here's a simple way to calculate the mean:
sum(p[0] for p in datapoints[0:5])/5. # R...
What's the difference between URI.escape and CGI.escape?
...a string (URL) into, so called, "Percent-encoding".
CGI::escape is coming from the CGI spec, which describes how data should be encoded/decode between web server and application.
Now, let's say that you need to escape a URI in your app. It is a more specific use case.
For that, the Ruby community...
How to get one value at a time from a generator function in Python?
Very basic question - how to get one value from a generator in Python?
6 Answers
6
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...t for specific values, so always use them as booleans and only assign them from their #define values.
Importantly, never test booleans using a character comparison -- it's not only risky because someVar could be assigned a non-zero value which is not YES, but, in my opinion more importantly, it fa...
Correct format specifier for double in printf
...ote that this is one place that printf format strings differ substantially from scanf (and fscanf, etc.) format strings. For output, you're passing a value, which will be promoted from float to double when passed as a variadic parameter. For input you're passing a pointer, which is not promoted, so ...