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Why extend the Android Application class?
...o prepare for android at some point running them in different processes or whatever and every component being reusable by any app, while that is intentionally limited? just passing the data objects instead of serializing them saves cpu and memory. parceling stuff for inside-process-on-same-device h...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
... to ensure this.
dynamic_cast
dynamic_cast is useful when you don't know what the dynamic type of the object is. It returns a null pointer if the object referred to doesn't contain the type casted to as a base class (when you cast to a reference, a bad_cast exception is thrown in that case).
if (...
Ruby combining an array into one string
...
Use the Array#join method (the argument to join is what to insert between the strings - in this case a space):
@arr.join(" ")
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Catch multiple exceptions in one line (except block)
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@JosephBani, what about generator expressions?
– jammertheprogrammer
Apr 12 '19 at 0:09
18
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AngularJS HTTP post to PHP and undefined
..."php://input"); seems kind of like a hack, no? I have never heard of this. What needs to happen so I can just reference it like $_POST['email'];
– Ronnie
Mar 18 '13 at 19:59
6
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Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...t detect mouse by itself, so "/dev/input/event4" is hard-coded. To realize what may be identifier for your system you may try:
user@host:/path$ cat /proc/bus/input/devices | grep mouse
H: Handlers=mouse0 event3
H: Handlers=mouse1 event4
And so possibilities are "event3" and "event4" — but for ...
Install a Python package into a different directory using pip?
...the options you can use with python setup.py install (--prefix is probably what you want, but there are a bunch more options you could use).
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How do I configure Maven for offline development?
...ith its "core" plugins (i.e. compiler). So this with mvn install I can get what I need.
– user130532
Aug 29 '11 at 20:48
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How to support UTF-8 encoding in Eclipse
...? I want to add for example Russian language but eclipse won't support it. What should I do? Please guide me.
7 Answers
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How can you do anything useful without mutable state?
...e each frame simply creates a brand new object with the desired changes of whatever stateless objects needs updating. The pseudocode for this might be:
// imperative version
pacman = new pacman(0, 0)
while true
if key = UP then pacman.y++
elif key = DOWN then pacman.y--
elif key = LEFT ...