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How do I create a list of random numbers without duplicates?
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With reference to your specific code example, you probably want to read all the lines from the file once and then select random lines from the saved list in memory. For example:
all_lines = f1.readlines()
for i in range(50):
lines = random.sample(all_lines, 40)
This way, you only need to a...
What's the best UML diagramming tool? [closed]
I'm trying to choose a tool for creating UML diagrams of all flavours. Usability is a major criteria for me, but I'd still take more power with a steeper learning curve and be happy. Free (as in beer) would be nice, but I'd be willing to pay if the tool's worth it. What should I be using?
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Getting root permissions on a file inside of vi? [closed]
...e command causes Vim to prompt for password but not accept input. It eventually times out on two attempts and says: sudo: 1 incorrect password attempt
– cmcginty
Feb 24 '09 at 3:14
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What's the best way to model recurring events in a calendar application?
...g a group calendar application that needs to support recurring events, but all the solutions I've come up with to handle these events seem like a hack. I can limit how far ahead one can look, and then generate all the events at once. Or I can store the events as repeating and dynamically display the...
Apply CSS Style to child elements
...iv.test th, td, caption {padding:40px 100px 40px 50px;}" applies a rule to all th elements which are contained by a div element with a class named test, in addition to all td elements and all caption elements.
It is not the same as "all td, th and caption elements which are contained by a div eleme...
Should a “static final Logger” be declared in UPPER-CASE?
...aph 3.3 Field Naming
Names of fields being used as constants should be all upper-case, with underscores separating words. The following are considered to be constants:
All static final primitive types (Remember that all interface fields are inherently static final).
All static final ob...
Dependency Injection vs Factory Pattern
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When using a factory your code is still actually responsible for creating objects. By DI you outsource that responsibility to another class or a framework, which is separate from your code.
sha...
Using git, how do I ignore a file in one branch but have it committed in another branch?
...h "public_viewing"]
excludesfile = +info/exclude_from_public_viewing
Now all the global ignore stuff is in the info/exclude file and the branch specific is in the info/exclude_from_public_viewing
Hope that helps!
http://cogniton-mind.tumblr.com/post/1423976659/howto-gitignore-for-different-branc...
What are the aspect ratios for all Android phone and tablet devices?
I'm looking for a list of all screen aspect ratios for popular Android based Phones and Tablets.
5 Answers
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MySql : Grant read only options?
I have a user, whom I want to grant all the READ permission on a db schema.
7 Answers
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