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Most efficient way to increment a Map value in Java
...ypical of the scenario I presented: opening a 10MB file and reading it in, then performing a frequency count of all the word tokens in the file. Since this took an average of only 3 seconds, I had it perform the frequency count (not the I/O) 10 times.
timed the loop of 10 iterations but not the I/O ...
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
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@Guus: if multiple applications run in the same JVM, then yes, they can easily influence each other. It'll be hard to tell which one is misbehaving. Separating the applications into distinct JVMs might be the easiest solution.
– Joachim Sauer
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Resumable downloads when using PHP to send the file?
...der in all responses, to tell the client that you support partial content. Then, if request with a Range: bytes=x-y header is received (with x and y being numbers) you parse the range the client is requesting, open the file as usual, seek x bytes ahead and send the next y - x bytes. Also set the re...
Cocoa: What's the difference between the frame and the bounds?
...lied to that view.
It is important to note that if you transform a view, then the frame becomes undefined. So actually, the yellow frame that I drew around the rotated green bounds in the image above never actually exists. That means if you rotate, scale or do some other transformation then you sh...
What is the difference between ManualResetEvent and AutoResetEvent in .NET?
... in combination with "spin-sleeping" – repeatedly checking the flag, and then sleeping for a short period of time.
ManualResetEvents are sometimes used to signal that a particular operation is complete, or that a thread's completed initialization and is ready to perform work.
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Returning IEnumerable vs. IQueryable
... code, on the other hand, will execute the original query in the database, then filtering out the non-gold customers in the memory:
IEnumerable<Customer> custs = ...;
// Later on...
var goldCustomers = custs.Where(c => c.IsGold);
This is quite an important difference, and working on IQue...
android get real path by Uri.getPath()
...ound that in Android 6.0(or above) when we start gallery image pick intent then a screen will open that shows recent images when user select image from this list we will get uri as
content://com.android.providers.media.documents/document/image%3A52530
while if user select gallery from sliding dr...
Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?
...s the owner of the other website/app), log the token on their website, and then pass it as a URL param on your website therefore impersonating the user on your website. To avoid this you need to check the Client ID associated with the access token (for instance for Google you can use the tokeninfo e...
CSS3 box-sizing: margin-box; Why not?
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Couldn't you use width: calc(50% - 24px); for your cols? Then set your margins.
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What's the need of array with zero elements?
... it as a 0-length array, it can be indexed just as any other array. You'd then allocate a bts_action struct, of say 1024-byte data size, like so:
size_t size = 1024;
struct bts_action* action = (struct bts_action*)malloc(sizeof(struct bts_action) + size);
See also: http://c2.com/cgi/wiki?StructH...