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Difference between Key, Primary Key, Unique Key and Index in MySQL
When should I use KEY , PRIMARY KEY , UNIQUE KEY and INDEX ?
8 Answers
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efficient circular buffer?
...e nice batteries included way. Operations for the circular buffer are O(1) and as you say the extra overhead is in C, so should still be quite fast
– John La Rooy
Nov 11 '10 at 9:38
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Saving and Reading Bitmaps/Images from Internal memory in Android
... when I want to share the saved image, it returns "Directory not created" and the image is crashed. can you help me?
– A. N
Oct 9 '17 at 8:02
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HttpURLConnection timeout settings
...as a setConnectTimeout method.
Just set the timeout to 5000 milliseconds, and then catch java.net.SocketTimeoutException
Your code should look something like this:
try {
HttpURLConnection.setFollowRedirects(false);
HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();...
Why doesn't Java allow to throw a checked exception from static initialization block?
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Because it is not possible to handle these checked exceptions in your source. You do not have any control over the initialization process and static{} blocks cannot be called from your source so that you could surround them with try-catch.
Because you can...
Is it possible to search for a particular filename on GitHub?
...ir subdirectory location? I tried using asterisks in the path argument, and that didn't seem to work.
8 Answers
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error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
...tried to compile an older Xcode project (which used to compile just fine), and now I'm seeing a lot of errors of this form:
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Can't find how to use HttpContent
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Says the content parameter needs to be IHttpContent and not StringContent. When I cast it to the interface it's happy, though.
– micahhoover
May 13 '15 at 1:39
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Hosting Git Repository in Windows
...here currently a way to host a shared Git repository in Windows? I understand that you can configure the Git service in Linux with:
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raw vs. html_safe vs. h to unescape html
...s declared on a helper, just like h, so it can only be used on controllers and views.
"SafeBuffers and Rails 3.0" is a nice explanation on how the SafeBuffers (the class that does the html_safe magic) work.
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