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How to tell if a string is not defined in a Bash shell script
...not, you can do the following:
isdefined=0
${mystr+ export isdefined=1}
now, if isdefined=0 then the variable was undefined, if isdefined=1 the variable was defined
This way of checking variables is better than the above answer because it is more elegant, readable, and if your bash shell was con...
Update date + one year in mysql
...h there are others that combine time periods. If you are adding times, use now() rather than curdate().
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iPhone: How to switch tabs with an animation?
...oses. This makes the ending of the animation a little bit jittery. Do you know why this is happening?
– Enrico Susatyo
Jun 17 '11 at 4:19
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How to make a div fill a remaining horizontal space?
...oking for. After searching through lots of 'solutions' I found a tutorial (now link is dead) on creating three column pages.
The author offer's three different ways, one fixed width, one with three variable columns and one with fixed outer columns and a variable width middle. Much more elegant and...
What are WSDL, SOAP and REST?
... a restaurant we see the Menu Items, those are the WSDL's.
Proxy Classes: Now after seeing the Menu Items we make up our Mind (Process our mind on what to order): So, basically we make Proxy classes based on WSDL Document.
SOAP: Then when we actually order the food based on the Menu's: Meaning we...
Why are the Level.FINE logging messages not showing?
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Thanks. That did the trick. I realize now why I was initially so confused. I had previously worked with logging levels, but my implementation at that time simply dropped every logged message into a list that was displayed with no regard to the Handler.
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How to list the size of each file and directory and sort by descending size in Bash?
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Awesome! I've been doing something lamer for a few years now. :)
– Colby Blair
Oct 29 '14 at 19:12
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Any reason to clean up unused imports in Java, other than reducing clutter?
...on you decide not to use it but never remove the import.
If somebody else now wants to instantiate org.W.V.Y.ObjectPool and just refer to ObjectPool, they don't get any warning about it until somewhere down the line there's a casting problem or invocation problem.
This is, by the way, not an unrea...
Tablet or Phone - Android
...t want to check whether the device is a tablet or a phone but you want to know about the features of the device,
Most of the time, the difference between a tablet and a phone is the screen size which is why you want to use different layout files. These files are stored in the res/layout-<qualifi...
Determine device (iPhone, iPod Touch) with iOS
...om/1323251
UPDATE (01/14/11)
Obviously, this code is a bit out of date by now, but it can certainly be updated using the code on this thread provided by Brian Robbins which includes similar code with updated models. Thanks for the support on this thread.
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