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Track the time a command takes in UNIX/LINUX?
...ts the Gnu time command, but time is a builtin in bash, which doesn't have all the options documented there.
– Ben Crowell
Jun 17 '17 at 15:27
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jquery's append not working with svg element?
...you easy access to the namespaced methods needed to create SVG elements. Really jQuery isn't designed for use with SVG at all and many operations may fail.
HTML5 promises to let you use <svg> without an xmlns inside a plain HTML (text/html) document in the future. But this is just a parser ha...
Linux equivalent of the Mac OS X “open” command [closed]
...ly went wrong). I usually have to do something like xdg-open <file> &> /dev/null & instead. Is there anything better than xdg-open in this regard?
– Suan
Nov 30 '11 at 4:43
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...verwritten with the newly read memory.
I'll try to somewhat follow the example from Agner:
Assume each set has 4 lines, each holding 64 bytes. We first attempt to read the address 0x2710, which goes in set 28. And then we also attempt to read addresses 0x2F00, 0x3700, 0x3F00 and 0x4700. All of th...
Create a custom callback in JavaScript
... I know it will work if i don't have any parameters like the example you wrote but when i try to pass a function with parameters it's throwing an exception and telling me the function is not defined
– Amgad Fahmi
Feb 3 '10 at 9:29
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Write to file, but overwrite it if it exists
... set noclobber a la set -o noclobber, then you use the syntax >|
For example:
echo "some text" >| existing_file
This also works if the file doesn't exist yet
Check if noclobber is set with: set -o | grep noclobber
For a more detailed explanation on this special type of operator, see thi...
@AspectJ pointcut for all methods of a class with specific annotation
...ublic * *(..))")
public void publicMethod() {}
@Pointcut("publicMethod() && beanAnnotatedWithMonitor()")
public void publicMethodInsideAClassMarkedWithAtMonitor() {}
Advice the last pointcut that combines the first two and you're done!
If you're interested, I have written a cheat sheet w...
Java List.contains(Object with field value equal to x)
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Then, the second example should be public boolean. Also, you might want to use Objects.equals() in case o.getName() can be null.
– Eric Jablow
Sep 17 '13 at 14:28
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How to check if IEnumerable is null or empty?
...if statements the code looks cluttered if the patter is (mylist != null && mylist.Any()) . It would be much cleaner to have Foo.IsAny(myList) .
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Android list view inside a scroll view
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The shortest & easiest solution for any ChildView to scroll inside a ScrollView. Anything like ListView, RecyclerView, etc. You do not have to do anything special in code.
Just replace ScrollView with androidx.core.widget.NestedScrollV...