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Difference between e.target and e.currentTarget
...):void{
trace(e.target.name, e.currentTarget.name);
}
e.target will be one of the 10 buttons and e.currentTarget will always be the "btns" clip.
It's worth noting that if you changed the MouseEvent to a ROLL_OVER or set the property btns.mouseChildren to false, e.target and e.currentTarget will...
How to calculate time elapsed in bash script?
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Nice and simple. If someone needs hours: echo "$(($diff / 3600)) hours, $((($diff / 60) % 60)) minutes and $(($diff % 60)) seconds elapsed."
– chus
May 19 '15 at 10:13
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Can't push to GitHub because of large file which I already deleted
...~<HOWEVER MANY COMMITS YOU WERE BEHIND>
So, for the example above, one would type:
git reset HEAD~2
After you typed that, your "git status" should say:
On branch master
Your branch is up to date with 'origin/master'.
nothing to commit, working tree clean
From there, you can delete the...
How to convert a char to a String?
I have a char and I need a String . How do I convert from one to the other?
12 Answers
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Batch file to copy directories recursively
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Doesn't /E imply /S? copy subdirectories, including Empty ones.
– mbomb007
May 11 '16 at 19:32
4
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Does Java have a complete enum for HTTP response codes?
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I don't think there's one that's complete in the standard Java classes; HttpURLConnection is missing quite a few codes, like HTTP 100/Continue.
There's a complete list in the Apache HttpComponents, though:
org.apache.http.HttpStatus (replaced o...
What is the difference between ArrayList.clear() and ArrayList.removeAll()?
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The source is strong in this one. (To all other answers: Use the source, Luke.) Notice how clear() could be implemented as just the one line, size=0; but garbage-collection wouldn't know to collect the elements in the unreachable portions of the array...
Automatic Retina images for web sites
... Also, no double loading is a huge boon. This means you never waste anyone's bandwidth.
– andrewb
Apr 18 '16 at 3:05
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Collections.emptyMap() vs new HashMap()
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+1 for the Effective Java reference. One nit: I would recommend parameterizing Set and HashSet in your examples, since the whole point of the emptySet() method and friends (as opposed to the constants Collections.EMPTY_SET etc.) is that they play nicely with gen...
Android adb “Unable to open sync connection!”
I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
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