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In .NET, which loop runs faster, 'for' or 'foreach'?
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Patrick Smacchia blogged about this last month, with the following conclusions:
for loops on List are a bit more than 2 times cheaper than foreach
loops on List.
Looping on array is around 2 times cheaper than looping on...
Change first commit of project with Git? [duplicate]
...mit.
That new behavior was initially discussed here:
I personally think "git rebase -i --root" should be made to just work without requiring "--onto" and let you "edit" even the first one in the history.
It is understandable that nobody bothered, as people are a lot less often rewriting near ...
Deleting Row in SQLite in Android
...ite and I can't seem to figure this out. I have 1 table that has columns KEY_ROWID , KEY_NAME , KAY_LATITUDE , and KEY_LONGITUDE . I want the user to be able to select one and delete it; Can anyone give me a direction to start in? My question is in the actual deletion of the row given only it...
Change SQLite database mode to read-write
... database. It doesn't allow to modify the DB.
Lastly, another FAQ says: "Make sure that the directory containing the database file is also writable to the user executing the CGI script." I think this is because the engine needs to create more files in the directory.
The whole filesystem might be rea...
java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused
...achine therefore here 127.0.0.1 or localhost will be emulator's own loopback address.
Refer: Emulator Networking
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Detecting arrow key presses in JavaScript
How do I detect when one of the arrow keys are pressed? I used this to find out:
21 Answers
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How can I get last characters of a string
...the .slice() method as others have pointed out below.
If you're simply looking to find the characters after the underscore, you could use this:
var tabId = id.split("_").pop(); // => "Tabs1"
This splits the string into an array on the underscore and then "pops" the last element off the array ...
What does the property “Nonatomic” mean?
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Take a look at the Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-writ...
Calling startActivity() from outside of an Activity context
...side the overridden ArrayAdapter.getView(...) method, I assign an OnClickListener . In the onClick method of the OnClickListener , I want to launch a new activity. I get the exception:
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Factory Pattern. When to use factory methods?
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I like thinking about design pattens in terms of my classes being 'people,' and the patterns are the ways that the people talk to each other.
So, to me the factory pattern is like a hiring agency. You've got someone that will n...