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Map and Reduce in .NET
What scenarios would warrant the use of the " Map and Reduce " algorithm?
3 Answers
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Single vs Double quotes (' vs ")
I've always used single quotes when writing my HTML by hand. I work with a lot of rendered HTML which always uses double quotes. This allows me to determine if the HTML was written by hand or generated. Is this a good idea?
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Redis: Show database size/size for keys
My redis instance seems to being growing very large and I'd like to find out which of the multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that ...
“rm -rf” equivalent for Windows?
I need a way to recursively delete a folder and its children.
21 Answers
21
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ruby send method passing multiple parameters
Trying to create objects and call methods dynamically by
2 Answers
2
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Add timestamps to an existing table
...pecified above, Rails will still treat these columns as timestamp columns, and update the values normally.
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Java synchronized method lock on object, or method?
...s, you have synchronize on them separately in synchronized () blocks. If a and b were object references you would use:
public void addA() {
synchronized( a ) {
a++;
}
}
public void addB() {
synchronized( b ) {
b++;
}
}
But since they're primitives you can't do thi...
Get local href value from anchor (a) tag
I have an anchor tag that has a local href value, and a JavaScript function that uses the href value but directs it to a slightly different place than it would normally go. The tag looks like
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Intent - if activity is running, bring it to front, else start a new one (from notification)
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You can use this:
<activity
android:name=".YourActivity"
android:launchMode="singleTask"/>
which will work similar to "singleInstance" but it won't have that weird animation.
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Can someone explain the HTML5 aria-* attribute?
...know what the aria-* attributes are used for. What values can they have, and are they defined values or can I create my own values?
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