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How to get the ThreadPoolExecutor to increase threads to max before queueing?

...ue up until it is full with 1000 tasks then block the caller until space becomes available to the queue. Also, if you needed to use offer(...) in the RejectedExecutionHandler then you could use the offer(E, long, TimeUnit) method instead with Long.MAX_VALUE as the timeout. Warning: If you expec...
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Set focus on TextBox in WPF from view model

...me answer to your question in three parts. I'm wondering what is "cs.txtCompanyID" in your example? Is it a TextBox control? If yes, then you are on a wrong way. Generally speaking it's not a good idea to have any reference to UI in your ViewModel. You can ask "Why?" but this is another question...
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Correct file permissions for WordPress [closed]

...  |  show 11 more comments 60 votes ...
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Understanding Python super() with __init__() methods [duplicate]

...ng to the base class explicitly, which can be nice. But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen. See the standard docs on super if you haven't already. Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of supe...
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What is a callback function?

...r function, and is invoked after the first function if that first function completes A nice way of imagining how a callback function works is that it is a function that is "called at the back" of the function it is passed into. Maybe a better name would be a "call after" function. This construc...
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How to show all privileges from a user in oracle?

...rivileges, including those granted indirectly through roles, requires more complicated recursive SQL statements: select * from dba_role_privs connect by prior granted_role = grantee start with grantee = '&USER' order by 1,2,3; select * from dba_sys_privs where grantee = '&USER' or grantee ...
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How do I set a variable to the output of a command in Bash?

... In addition to backticks `command`, command substitution can be done with $(command) or "$(command)", which I find easier to read, and allows for nesting. OUTPUT=$(ls -1) echo "${OUTPUT}" MULTILINE=$(ls \ -1) echo "${MULTILINE}" Quoting (") doe...
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What is the advantage of using REST instead of non-REST HTTP?

... easy to do more than one thing in one request or specify which parts of a compound object you want to get. This is especially important on mobile where round-trip-time can be significant and connections are unreliable. For example, suppose you are getting posts on a facebook timeline. The "pure" RE...
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How to create module-wide variables in Python? [duplicate]

...nt to indicate that a variable should be considered private. stackoverflow.com/questions/6930144/… – H.Rabiee Jul 30 '17 at 11:45 ...
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How to resize superview to fit all subviews with autolayout?

... use is UIView systemLayoutSizeFittingSize:, passing either UILayoutFittingCompressedSize or UILayoutFittingExpandedSize. For a normal UIView using autolayout this should just work as long as your constraints are correct. If you want to use it on a UITableViewCell (to determine row height for exam...