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Is it safe to remove selected keys from map within a range loop?
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This is safe! You can also find a similar sample in Effective Go:
for key := range m {
if key.expired() {
delete(m, key)
}
}
And the language specification:
The iteration order over maps is not specified and is not gua...
START_STICKY and START_NOT_STICKY
...T_STICKY and START_NOT_STICKY while implementing services in android? Could anyone point out to some standard examples.. ?
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SVN how to resolve new tree conflicts when file is added on two branches
When merging a couple of branches (using SVN 1.6.1) where a file has been added on both branches (and then worked on in those separate branches) I'm getting one of the new tree conflicts:
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How to swap files between windows in VIM?
When I work with VIM, I always have multiple windows visible. Sometimes I would like to have an easy way, to swap those windows in places. Is there any Plugin, Macro, etc to make this more easy? BTW, I use MiniBufExplorer.
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What does “default” mean after a class' function declaration?
I've seen default used next to function declarations in a class. What does it do?
5 Answers
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SQL Server indexes - ascending or descending, what difference does it make?
When you create an index on a column or number of columns in MS SQL Server (I'm using version 2005), you can specify that the index on each column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be ...
Difference between JVM and HotSpot?
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The definition of what exactly is a Java Virtual Machine is stated in the Java Virtual Machine Specification
The JVM is by definition a virtual machine, i. e. a software machine that simulates what a real machine does. Like a real machine, it has an instruction set, a ...
What is __main__.py?
What is the __main__.py file for, what sort of code should I put into it, and when should I have one?
5 Answers
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How to change past commit to include a missed file?
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Use git rebase --interactive HEAD~4 and set edit option for the commit you'd like to amend.
Remember that you should not modify commits pushed to the remote repository this way. It's better to add a new commit with missing f...
How can I display just a portion of an image in HTML/CSS?
Let's say I want a way to display just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references?
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