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Aren't Python strings immutable? Then why does a + “ ” + b work?
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The statement a = a + " " + b + " " + c can be broken down based upon pointers.
a + " " says give me what a points to, which can't be changed, and add " " to my current working set.
memory:
working_set = "Dog "
a = "Dog"
b = "eats"
c = "treats"
+ b says give me what b poin...
Peak detection in a 2D array
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I was just thinking about writing down my data processing on a simple Wordpress blog, simply to be of use for other and I have to write it down anyway. I like all your suggestions, but I fear I'll have to wait for someone without a deadline ;-)
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How to set timer in android?
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If one just want to schedule a countdown until a time in the future with regular notifications on intervals along the way, you can use the CountDownTimer class that is available since API level 1.
new CountDownTimer(30000, 1000) {
public void onTick(long m...
How to annotate MYSQL autoincrement field with JPA annotations
...eric persistence failure, and waste a good deal of time trying to track it down, like I did. Here is the reference page that helped me overcome this challenge:
http://wiki.eclipse.org/EclipseLink/Examples/JPA/PrimaryKey#Using_Sequence_Objects
Also, to give context, here is what we're using:
Java ...
Why use pointers? [closed]
... spot. This allows you to write loops that increment a pointer that slides down the array without having an explicit counter for use in accessing the array.
Here is an example in C:
char hello[] = "hello";
char *p = hello;
while (*p)
{
*p += 1; // increase the character by one
p += 1; ...
What Process is using all of my disk IO
...ker/.kube/cache/discovery/.../serverresources.json. Once you narrow things down to a user/process name something like iotop -atku systemd-network | grep kubectl may also help
– Greg Bray
Jul 31 at 3:39
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Best way to run scheduled tasks [closed]
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This also could slow down the user experience if the task happens to take a while to run this time. I prefer not to have the user spawn my maintenance/tasks for me.
– Brettski
Feb 12 '09 at 19:21
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Is there any way to redraw tmux window when switching smaller monitor to bigger one?
...r session normally, and if you are bothered by another session that forced down your tmux window size you can simply call takeover.
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Testing Private method using mockito
...or using a private modifier for methods is because you simply want to chop down codes that are too lengthy and/or repetitive? Separating it as another class is like you're promoting those lines of codes to be first class citizens which won't get reused anywhere else because it was meant specifically...
How to parse XML in Bash?
...eat answer - if I could tell what you were doing there.. can you break it down a little more, possibly generating some sample output?
– Alex Gray
Jul 4 '11 at 2:14
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