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SQL how to increase or decrease one for a int column in one command
... x=1, y=2
They both can handle your question. However, the first syntax allows for more flexibility to update the record rather than just replace it (as the second one does).
Keep in mind that for both to exist, there has to be a UNIQUE key defined...
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How to return a result (startActivityForResult) from a TabHost Activity?
I have 3 classes in my example:
Class A, the main activity. Class A calls a startActivityForResult:
5 Answers
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Cloning a MySQL database on the same MySql instance
...s contain the nice tool mysqldbcopy which by default copies a DB including all related objects (“tables, views, triggers, events, procedures, functions, and database-level grants”) and data from one DB server to the same or to another DB server. There are lots of options available to customize w...
Add subdomain to localhost URL
...sub.lvh.me:port
UPD
sub.localhost:port works at chrome. Firefox automatically adds www. at the beginning of entered domain that can cause problems with subdomains testing
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A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception pro
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If you create a Task, and you don't ever call task.Wait() or try to retrieve the result of a Task<T>, when the task is collected by the garbage collector, it will tear down your application during finalization. For details, see MSDN's page on Exception Handlin...
How to get a specific version of a file in Mercurial?
...is another command you may be interested in, and that's hg cat. That will allow you to print out the contents of a file at any particular revision. You can then redirect its output into some other file. Then you can have the previous known good version of your file and the old version to compare ...
Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
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It actually unwinds back to the exact same instance of the view controller (and its views).
– Jon Hess
Sep 25 '12 at 7:39
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Passing arguments to require (when loading module)
... return pickleJar;
};
return module;
};
I structure pretty much all my modules like that. Seems to work well for me.
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Android: alternate layout xml for landscape mode
...l it stretches out..I've tried using same image,9-patch images,mdpi,hdpi n all..still issue persists :(
– Prabs
Jun 8 '15 at 7:18
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How to change href of tag on button click through javascript
...there's no need here, this has been a DOM property forever, .href works in all browsers...for example would you use .getAttribute("id") instead of just .id? :)
– Nick Craver♦
Dec 6 '10 at 10:34
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