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Objective-C parse hex string to integer
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I'm going with this method, way simpler (and potentially quicker) than allocating an nsscanner.
– Chris
Jun 1 '11 at 6:25
1
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Detect enter press in JTextField
...Event e){
//statements!!!
}});
all you need to do is addActionListener to the JTextField like above! After you press Enter the action will performed what you want at the statement!
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td widths, not working?
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inline css is a bad idea unless you really only need it in one place. also, td width has been depreciated for some time. see answer below
– kristina childs
Jun 18 '12 at 20:46
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UILongPressGestureRecognizer gets called twice when pressing down
..., middle or end of the event and act accordingly. i.e. you can throw away all events after the start, or only look at movement as you need. From the Class Reference:
Long-press gestures are continuous. The gesture begins (UIGestureRecognizerStateBegan) when the number of allowable fingers (nu...
How to select the row with the maximum value in each group
...ata.table) ## 1.9.2
group <- as.data.table(group)
If you want to keep all the entries corresponding to max values of pt within each group:
group[group[, .I[pt == max(pt)], by=Subject]$V1]
# Subject pt Event
# 1: 1 5 2
# 2: 2 17 2
# 3: 3 5 2
If you'd like ju...
Check Whether a User Exists
...t, you got command return value ($?)1
And as other answers pointed out: if all you want is just to check if the user exists, use if with id directly, as if already checks for the exit code. There's no need to fiddle with strings, [, $? or $():
if id "$1" &>/dev/null; then
echo 'user found...
Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
...n give my www-data user the permission to update the .git directory. I am calling the shell script using php over http in browser. Details here
– KillABug
Aug 21 '15 at 8:58
15
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How to add a delay for a 2 or 3 seconds [closed]
...swered Mar 27 '11 at 14:46
digEmAlldigEmAll
51.9k99 gold badges106106 silver badges131131 bronze badges
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Retrieve the maximum length of a VARCHAR column in SQL Server
...at, but many will realize that it is a reserved word for Descending. Personally, I started off by using this, and then trying to figure out where the column name went because all I had were reserved words. It didn't take long to figure it out, but keep that in mind when deciding on what to substitu...
Xcode 6 how to enable storyboard zoom?
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Alternatively: Right click blank space on canvas and choose zoom level (allows to zoom out further than double click)
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