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How do I request a file but not save it with Wget? [closed]
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259
Use q flag for quiet mode, and tell wget to output to stdout with O- (uppercase o) and redirec...
Is storing a delimited list in a database column really that bad?
...Can’t ensure that each value is the right data type: no way to prevent 1,2,3,banana,5
Can’t use foreign key constraints to link values to a lookup table; no way to enforce referential integrity.
Can’t enforce uniqueness: no way to prevent 1,2,3,3,3,5
Can’t delete a value from the list withou...
What's the difference between size_t and int in C++?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 2 '09 at 11:07
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Android AsyncTask threads limits?
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207
All AsyncTasks are controlled internally by a shared (static) ThreadPoolExecutor and a LinkedB...
How to modify a global variable within a function in bash?
...ar="$(myfunc)"
echo "$var"
Gives:
Hello
For a numerical value from 0-255, you can use return to pass the number as the exit status:
mysecondfunc() {
echo "Hello"
return 4
}
var="$(mysecondfunc)"
num_var=$?
echo "$var - num is $num_var"
Gives:
Hello - num is 4
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How can I rotate an HTML 90 degrees?
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You need CSS to achieve this, e.g.:
#container_2 {
-webkit-transform: rotate(90deg);
-moz-transform: rotate(90deg);
-o-transform: rotate(90deg);
-ms-transform: rotate(90deg);
transform: rotate(90deg);
}
Demo:
#container_2 {
width: 100px;
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How to find all positions of the maximum value in a list?
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212
>>> m = max(a)
>>> [i for i, j in enumerate(a) if j == m]
[9, 12]
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Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
... the UI_USER_INTERFACE_IDIOM() macro is only required when targeting iOS 3.2 and below. When deploying to iOS 3.2 and up, you can use [UIDevice userInterfaceIdiom] directly.
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Setting different color for each series in scatter plot on matplotlib
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280
I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array ...