大约有 46,000 项符合查询结果（耗时：0.0492秒） [XML]
How do I use shell variables in an awk script?
...k:
echo "input data" | awk 'BEGIN {print var}' var="${variable}"
Here-string
Variable can also be added to awk using a here-string from shells that support them (including Bash):
awk '{print $0}' <<< "$variable"
test
This is the same as:
printf '%s' "$variable" | awk '{print $0}'
...
How can I get the current date and time in UTC or GMT in Java?
...stance of Calendar which uses the local timezone, or possibly using Date.toString() which also uses the local timezone, or a SimpleDateFormat instance, which, by default, also uses local timezone.
If this isn't the problem, please post some sample code.
I would, however, recommend that you use Jod...
UIButton Long Press Event
... end of the user press.
Note: this works well if you don't care about the extra info provided by the gesture recognizer (e.g. location of touch, etc.)
You can add more intermediate events if needed see them all here https://developer.apple.com/documentation/uikit/uicontrolevents?language=objc.
In...
How do I get bash completion to work with aliases?
... The command used in the alias
# $3: The arguments in the alias all in one string
# Generate a wrapper completion function (completer) for an alias
# based on the command and the given arguments, if there is a
# completer for the command, and set the wrapper as the completer for
# the alias.
functio...
How can I get the MAC and the IP address of a connected client in PHP?
...dress" and use substr() function to
retrieve the adress from this long string.
here in my case i'm using a french cmd.
you can change the numbers according adress mac position in the string.
*/
echo substr(shell_exec ("ipconfig/all"),1821,18);
?>
...
Why should I use Deque over Stack?
...et or SortedMap).
We may use the preferred style of declaring like Set<String> set = new HashSet<String>();see reasons here.
But Stack class: 1) don't have its own interface; 2) is a subclass of Vector class - which is based on resizable array; so where is linked list implementation o...
Is the pImpl idiom really used in practice?
...ss, I would consider caution because all those benefits come at a cost: an extra level of indirection is required in order to access the implementation methods.
share
|
improve this answer
...
How does Apple know you are using private API?
...hree20-based apps last few months.)
3. Listing Objective-C selectors, or strings
Objective-C selectors are stored in a special region of the binary, and therefore Apple could extract the content from there, and check if you've used some undocumented Objective-C methods, such as -[UIDevice setOrie...
Move (or “Undo”) last git commit to unstaged area [duplicate]
...
git-extras provides a git undo command which is an easier to remember way of doing the same thing (along with a number of other handy extras, as the name implies).
...
UI Terminology: Logon vs Login [closed]
...n means joining a company, and some offer a sign-on bonus, which is simply extra cash up front for joining.
– Adam Liss
Jan 2 '09 at 6:43
|
...