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HTML text input allow only numeric input
...is still allows to enter characters like /, multiple dots, other operators etc.
– Mahendra Liya
Mar 12 '13 at 19:36
6
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Map to String in Java
... @VictorDombrovsky Any half-decent IDE (e.g. IntelliJ, Eclipse, etc.) should be able to track down the actual implementation of a method defined in an interface.
– wheeler
Mar 14 '17 at 14:03
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Can Powershell Run Commands in Parallel?
...ms to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a script out and running those ( PowerShell Multithreading )
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How does lock work exactly?
...y. You should try to avoid expensive activities like accessing a database etc.
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Return multiple values to a method caller
... can also provide names to your elements (so they are not "Item1", "Item2" etc). You can do it by adding a name to the signature or the return methods:
(string first, string middle, string last) LookupName(long id) // tuple elements have names
or
return (first: first, middle: middle, last: last...
How do I prevent Android taking a screenshot when my app goes to the background?
...E,
WindowManager.LayoutParams.FLAG_SECURE);
setContentView(R.layout.main);
}
}
This definitely secures against manual screenshots and automatic screenshots from the ICS recent-tasks history. It also secures against screen recording (e.g., apps using the media projec...
Move entire line up and down in Vim
...ultiple lines in VIM
once selected hit : and run the commands above, m +1 etc
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Best way to use multiple SSH private keys on one client
... page. NOTE: Some of the keywords listed might already be present in your /etc/ssh/ssh_config file.
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Why does Oracle 9i treat an empty string as NULL?
...answer exists but is not known by the user, data where there is no answer, etc. all of which constitute some sense of NULL).
By the time that the SQL standard came around and agreed that NULL and the empty string were distinct entities, there were already Oracle users that had code that assumed the...
How to dynamically load a Python class
... yes, you can do locate('my_package.my_module.MyClass.attr.method.etc')
– chadrik
May 23 '18 at 23:19
actuall...