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Remove all values within one list from another list? [duplicate]
...ge(10))
y = x - set([2, 3, 7])
# y = set([0, 1, 4, 5, 6, 8, 9])
and then convert back to list, if needed.
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How to use wait and notify in Java without IllegalMonitorStateException?
I have 2 matrices and I need to multiply them and then print the results of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order.
So my idea is to mak...
How do I programmatically change file permissions?
... main(String[] args) {
libc.chmod("/path/to/file", 0755);
}
}
interface CLibrary extends Library {
public int chmod(String path, int mode);
}
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C# DateTime to UTC Time without changing the time
How would I convert a preexisting datetime to UTC time without changing the actual time.
4 Answers
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Add Text on Image using PIL
...t, Which basically finds the character which will be last in each line and converts white space before this character to new-line.
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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
...xt including code to access resources (e.g. openFileInput(), getString()), interact with other components (e.g. sendBroadcast(), registerReceiver()), requests permissions (e.g. checkCallingOrSelfPermission()) and resolving file system locations (e.g. getFilesDir()). ContextWrapper is really useful t...
Getting activity from context in android
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This is something that I have used successfully to convert Context to Activity when operating within the UI in fragments or custom views. It will unpack ContextWrapper recursively or return null if it fails.
public Activity getActivity(Context context)
{
if (context == n...
How do you echo a 4-digit Unicode character in Bash?
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Quick one-liner to convert UTF-8 characters into their 3-byte format:
var="$(echo -n '☠' | od -An -tx1)"; printf '\\x%s' ${var^^}; echo
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MySQL offset infinite rows
...nt to watch out because you won't be able to store this value in an 32 bit integer. You have to make sure you store this as a string to ensure compatibility.
– AlicanC
Dec 7 '11 at 22:51
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What is the difference between class and instance attributes?
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Only the mutable types are shared. Like for int and str they still attached with each instances rather than class.
– Babu
Jul 17 '14 at 11:59
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