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How to detect when an Android app goes to the background and come back to the foreground
... means that you would need to implement whatever you want done on resuming from background in all Activity of your Application. I believe the original question was looking for something like a "onResume" for Application and not Activity.
– SysHex
Aug 20 '13 at ...
Python, Unicode, and the Windows console
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Note: This answer is sort of outdated (from 2008). Please use the solution below with care!!
Here is a page that details the problem and a solution (search the page for the text Wrapping sys.stdout into an instance):
PrintFails - Python Wiki
Here's a code exc...
How to JSON serialize sets?
...y to recover regular lists; if you convert sets to a dictionary using dict.fromkeys(s) then you lose the ability to recover dictionaries).
A more sophisticated solution is to build-out a custom type that can coexist with other native JSON types. This lets you store nested structures that include l...
How to clear the interpreter console?
...pr__(self):
return '\n'*1000
wipe = Wipe()
Then you can do this from the interpreter all you like :)
>>> from wiper import wipe
>>> wipe
>>> wipe
>>> wipe
share
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c# open a new form then close the current form?
...intuitive way in my opinion is to simply close form1 and then create form2 from an outside location (i.e. not from within either of those forms). In the case where form1 was created in Main, form2 can simply be created using Application.Run just like form1 before. Here's an example scenario:
I need...
Getting Spring Application Context
...irkby Using the singleton pattern means instanciating your container class from a static method within your container class... once you "manually" instanciate an object it is not managed by Spring anymore : how did you tackle this problem ?
– Antonin
Oct 16 '17...
Semaphore vs. Monitors - what's the difference?
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A Monitor is an object designed to be accessed from multiple threads. The member functions or methods of a monitor object will enforce mutual exclusion, so only one thread may be performing any action on the object at a given time. If one thread is currently executing a m...
How do you reset the stored credentials in 'git credential-osxkeychain'?
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From Terminal:
(You need to enter the following three lines)
$ git credential-osxkeychain erase ⏎
host=github.com ⏎
protocol=https ⏎
⏎
⏎
NOTE: after you enter “protocol=https” above you need to press ~~...
Use of 'prototype' vs. 'this' in JavaScript?
...nifest if you're serializing and de-serializing your Javascript objects to/from JSON. Methods defined on an object's prototype are not serialized when you serialize the object, which can be convenient when for example you want to serialize just the data portions of an object, but not it's methods:
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What's the difference between JPA and Hibernate? [closed]
...r ORM. Also, I understand that Hibernate has more features than JPA 2. But from a practical point of view, what really is the difference?
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