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Mysql command not found in OS X 10.7
...port PATH=${PATH}:/usr/local/mysql/bin.
If you want this to be run every time you open terminal put it in the file .bash_profile, which is run when Terminal opens.
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Large, persistent DataFrame in pandas
I am exploring switching to python and pandas as a long-time SAS user.
6 Answers
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What's the best way to store a group of constants that my program uses? [closed]
... Why readonly and not const? You are not setting the value at runtime, so there is no need to have them as readonly.
– Philip Wallace
Nov 12 '09 at 18:01
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Concat all strings inside a List using LINQ
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O(n^2) time strikes again.
– Kennet Belenky
Jun 21 '10 at 21:03
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I need this baby in a month - send me nine women!
...xisting team members must have:
Excellent communication skills
Excellent time management skills
The project lead/management must have:
Good prioritization and resource allocation abilities
A high level of respect from the existing team members
Excellent communication skills
The project must ha...
Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...are left-recursive. This produces a much more efficient AST when it comes time for code generation because it avoids the need for multiple registers and unnecessary spilling (a left-leaning tree can be collapsed whereas a right-leaning tree cannot).
In terms of personal taste, I think that LALR gra...
Position icons into circle
...n of --m edges, all of which are tangent to the circle.
If you have a hard time picturing that, you can play with this interactive demo which constructs the incircle and circumcircle for various polygons whose number of edges you pick by dragging the slider.
This tells us that the size of the conta...
View contents of database file in Android Studio
..., but I access the db with a remote shell instead of pulling the file each time.
Find all info here:
http://developer.android.com/tools/help/adb.html#sqlite
1- Go to your platform-tools folder in a command prompt
2- Enter the command adb devices to get the list of your devices
C:\Android\adt-bun...
When is it acceptable to call GC.Collect?
... now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit.
A good example of this is if you've just closed a large form. You know that all the UI controls can now be garbage collected, and a very short pause as the form is close...
Convert two lists into a dictionary
...he most performant approach.
dict(zip(keys, values)) does require the one-time global lookup each for dict and zip, but it doesn't form any unnecessary intermediate data-structures or have to deal with local lookups in function application.
Runner-up, dict comprehension:
A close runner-up to usin...