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Tricky Google interview question
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This is a really nice implementation, using a minimum of memory. It is linear memory even if you want only one number though.
– Thomas Ahle
Feb 23 '12 at 0:10
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convert String to DateTime
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DateTime.strptime allows you to specify the format and convert a String to a DateTime.
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How can I String.Format a TimeSpan object with a custom format in .NET?
...drei Rinea: Correct, as stated at the start of my second paragraph ".Net 4 allows you to use custom format strings with Timespan".
– Doctor Jones
Jul 13 '11 at 9:49
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Why are C# interface methods not declared abstract or virtual?
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In the CIL, the method is marked virtual and abstract.
(Note that Java allows interface members to be declared public abstract).
For the implementing class, there are some options:
Non-overridable: In C# the class doesn't declare the method as virtual. That means that it cannot be overridden i...
Changing MongoDB data store directory
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The short answer is that the --dbpath parameter in MongoDB will allow you to control what directory MongoDB reads and writes it's data from.
mongod --dbpath /usr/local/mongodb-data
Would start mongodb and put the files in /usr/local/mongodb-data.
Depending on your distribution and...
Convert character to ASCII numeric value in java
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The several answers that purport to show how to do this are all wrong because Java characters are not ASCII characters. Java uses a multibyte encoding of Unicode characters. The Unicode character set is a super set of ASCII. So there can be characters in a Java string that do not belo...
How to convert float to varchar in SQL Server
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this is the solution I ended up using in sqlserver 2012 (since all the other suggestions had the drawback of truncating fractional part or some other drawback).
declare @float float = 1000000000.1234;
select format(@float, N'#.##############################');
output:
1000000000.1234...
What is the difference between Trap and Interrupt?
...mory access. It's also the usual way to invoke a kernel routine (a system call) because those run with a higher priority than user code. Handling is synchronous (so the user code is suspended and continues afterwards). In a sense they are "active" - most of the time, the code expects the trap to hap...
“File not found” when running new LibGDX project
I trying to learn LibGDX, I install all the software listed here with a new Eclipse 4.3 on a fresh formatted mac OS X Maverick.
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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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