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Which is more efficient, a for-each loop, or an iterator?
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the implementation of the iterator has to do at least 2 fields lookup in order to make hasNext() call figure the value: #1 get current count and #2 get total count
inside the body loop, there is another invokeInterface virtual call iter.next(so: go through all the classes and do method table looku...
How do I create an array of strings in C?
...s well:
char strs[NUMBER_OF_STRINGS][STRING_LENGTH+1] = {"foo", "bar", "bletch", ...};
This assumes the size and number of strings in the initializer match up with your array dimensions. In this case, the contents of each string literal (which is itself a zero-terminated array of char) are copie...
Securing my REST API with OAuth while still allowing authentication via third party OAuth providers
..., you are talking about authenticating using Open-ID, or facebook identity etc. This is yet another question you need to ask yourself. But it really falls outside the scope of APIs and OAuth. To me, that feels more of a question of user creation in your service. I may be wrong.
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Asynctask vs Thread in android
...bytes may take a long time, when the server is busy, unreachable (timeout) etc. A fix could be to use AsyncTask with own scheduler.
– xmedeko
Jun 17 '16 at 7:55
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autolayout - make height of view relative to half superview height
...o get a view that at x1 and x2 = 25 but scales up with larger 6 and 6 plus etc
– latenitecoder
Jan 29 '15 at 22:22
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(grep) Regex to match non-ASCII characters?
...can use any standard Unix regular expression , like Perl , sed , AWK , etc.
9 Answers
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Package Manager Console Enable-Migrations CommandNotFoundException only in a specific VS project
...ply re-starting Visual Studio worked for me.
No need to install packages, etc.
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What is the difference between javac and the Eclipse compiler?
...hen it worked smoothly! I found in Google that I had to upgrade the JDT in order to get the fix for that issue.
– Abel Morelos
Jun 18 '10 at 15:18
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What is the difference between Amazon S3 and Amazon EC2 instance?
...t;<-- this is required for running server services (php, apache, mySQL, etc). This can be ephemeral so you can lose your data with a reboot or persistent, you have to specify persistent.
S3 uses object storage - blob - Binary Large OBject file system like flat databases, store on the object leve...
Haskell: Where vs. Let
... has a different emphasis and you see both used in math papers, textbooks, etc. Generally, variables that are sufficiently unintuitive that the formula doesn't make sense without them should be defined above; variables that are intuitive due to context or their names should be defined below. For exa...