大约有 34,900 项符合查询结果（耗时：0.0567秒） [XML]
Redis: Show database size/size for keys
My redis instance seems to being growing very large and I'd like to find out which of the multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that ...
Linux command to list all available commands and aliases
... could run.
compgen -b will list all the built-ins you could run.
compgen -k will list all the keywords you could run.
compgen -A function will list all the functions you could run.
compgen -A function -abck will list all the above in one go.
Check the man page for other completions you can genera...
RESTful URL design for search
I'm looking for a reasonable way to represent searches as a RESTful URLs.
12 Answers
1...
Is it possible to program iPhone in C++
...ctive-C++, which you can read about at Apple Developer Connection.
If you know C++ already, learning Objective-C would be pretty simple, if you decided to give that a try. More info on that topic is at the ADC as well.
shar...
Submitting a form by pressing enter without a submit button
...on't want to get into JavaScript if possible since I want everything to work on all browsers (the only JS way I know is with events).
...
How to find the sum of an array of numbers
...son I have included this is as an answer Ortund's question as I do not think it was clarified.
share
|
improve this answer
|
follow
|
...
Change multiple files
...r yet:
for i in xa*; do
sed -i 's/asd/dfg/g' $i
done
because nobody knows how many files are there, and it's easy to break command line limits.
Here's what happens when there are too many files:
# grep -c aaa *
-bash: /bin/grep: Argument list too long
# for i in *; do grep -c aaa $i; done
0...
Sending a notification from a service in Android
I have a service running, and would like to send a notification. Too bad, the notification object requires a Context , like an Activity , and not a Service .
...
How do I move to end of line in Vim?
I know how to generally move around in command mode, specifically, jumping to lines, etc. But what is the command to jump to the end of the line that I am currently on?
...
How does delete[] “know” the size of the operand array?
...
When you allocate memory on the heap, your allocator will keep track of how much memory you have allocated. This is usually stored in a "head" segment just before the memory that you get allocated. That way when it's time to free the memory, the de-allocator knows exactly how much m...