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“Default Activity Not Found” on Android Studio upgrade
...and my project already run many times and it gets wrong suddenly. I don't know where is wrong. Perhaps, it's a potentially bug of AS.
– Licat Julius
Oct 26 '18 at 0:58
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Unique random string generation
...wered Apr 8 '09 at 14:58
Mark SynowiecMark Synowiec
4,9371919 silver badges1818 bronze badges
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How to run functions in parallel?
... print(f'{seconds} has been processed')
secs_list = [2,4, 6, 8, 10, 12]
Now, if your operation is IO bound, then you can use the ThreadPoolExecutor as such:
with ThreadPoolExecutor() as executor:
results = executor.map(sleep_secs, secs_list)
Note how map is used here to map your function to ...
How to send commands when opening a tmux session inside another tmux session?
...nce) the “inner” tmux instance. It captures the C-b as its prefix key. Now your next keystroke will be passed through the outer tmux instance and captured by the inner one to trigger a binding.
To trigger the c binding (new-window) in a second-level instance of tmux, you would type C-b C-b c. F...
How do I put two increment statements in a C++ 'for' loop?
... 5; ++i,++j)
do_something(i,j);
But is it really a comma operator?
Now having wrote that, a commenter suggested it was actually some special syntactic sugar in the for statement, and not a comma operator at all. I checked that in GCC as follows:
int i=0;
int a=5;
int x=0;
for(i; i<5; x=...
Remove 'a' from legend when using aesthetics and geom_text
...lor = "white"
)
# Let's see what the default legend looks like.
p
# Now let's override some of the aesthetics:
p + guides(
fill = guide_legend(
title = "Legend Title",
override.aes = aes(label = "")
)
)
Created on 2019-04-29 by the reprex package (v0.2.1)
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Facebook Callback appends '#_=_' to Return URL
...hy this happens, thanks, I think I'll leave the offending chars in my urls now that I know they're not an issue.
– stephenmurdoch
Mar 8 '17 at 8:56
1
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How to Diff between local uncommitted changes and origin
Let's say I cloned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes ...
How to get the process ID to kill a nohup process?
...standard output (file descriptor 1). It requires &1 so that the shell knows it's a file descriptor in that context instead of just a file named 1. The 2>&1 is needed to capture any error messages that normally are written to standard error into our my.log file (which is coming from standa...
Return multiple values in JavaScript?
...y of the function or would there be resuse of the function code? (I don't know how I could test for this.) TIA.
– Karl
Oct 29 '12 at 16:28
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