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With bash, how can I pipe standard error into another process?
...| proc2
Provided stdout and stderr both pointed to the same place at the start, this will give you what you need.
What the x>y bit does is to change file handle x so it now sends its information to where file handle y currently points. For our specific case:
3>&1 creates a new handle ...
OAuth with Verification in .NET
...ere doing this in an external browser you'd use System.Diagnostics.Process.Start(url).)
Setting the Url property causes the WebBrowser control to navigate to that page automatically.
When the user clicks the "Allow" button a new page will be loaded. It's an HTML form and it works the same as in ...
Difference between dispatch_async and dispatch_sync on serial queue?
...1: dispatch_async a time consuming task (task 1) to serial queue
Thread 2: start executing task 1
Thread 1: dispatch_async another task (task 2) to serial queue
Thread 2: task 1 finished. start executing task 2
Thread 2: task 2 finished.
and you always see 12
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Technically, why are processes in Erlang more efficient than OS threads?
...e mapping, etc.).
Erlang processes use dynamically allocated stacks, which start very small and grow as necessary. This permits the spawning of many thousands — even millions — of Erlang processes without sucking up all available RAM.
Erlang used to be single-threaded, meaning that there was no ...
Symbolicating iPhone App Crash Reports
...ess shown in the stack trace, the address has to be normalized against the start memory address the app is loaded into. More details see this answer: stackoverflow.com/questions/13574933/…
– Kerni
Feb 21 '13 at 16:53
...
When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
...anceState (Bundle savedInstanceState)
This method is called between onStart() and onPostCreate(Bundle).
void onSaveInstanceState (Bundle outState)
If called, this method will occur after onStop() for applications targeting platforms starting with Build.VERSION_CODES.P. For application...
How to handle screen orientation change when progress dialog and background thread active?
My program does some network activity in a background thread. Before starting, it pops up a progress dialog. The dialog is dismissed on the handler. This all works fine, except when screen orientation changes while the dialog is up (and the background thread is going). At this point the app either c...
How to find what code is run by a button or element in Chrome using Developer Tools
...gger.
If you are not yet "fluent" in Regular Expressions I recommend you start using sites that help you write and visualize them such as http://buildregex.com/ and https://www.debuggex.com/
You can also use the context menu when working in the Sources panel. When viewing a file, you can right-c...
Storing custom objects in an NSMutableArray in NSUserDefaults
...Try it, it will return an NSMutableArray that is indeed mutable. It merely starts the new array by adding that array of items to it.
– Brad Larson♦
Jan 27 '14 at 19:27
1
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Connect Java to a MySQL database
... the driver everytime before connecting. Just only once during application startup is enough.
If you get a SQLException: Connection refused or Connection timed out or a MySQL specific CommunicationsException:
Communications link failure, then it means that the DB isn't reachable at all. This can h...