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How to make an Android Spinner with initial text “Select One”?
...ect One". When the user clicks the spinner, the list of items is displayed and the user selects one of the options. After the user has made a selection, the selected item is displayed in the Spinner instead of "Select One".
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Find all storage devices attached to a Linux machine [closed]
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/proc/partitions will list all the block devices and partitions that the system recognizes. You can then try using file -s <device> to determine what kind of filesystem is present on the partition, if any.
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What's the proper value for a checked attribute of an HTML checkbox?
...d="blue">
<input name=name id=id type=checkbox checked="false">
And only the following will be unchecked:
<input name=name id=id type=checkbox>
See also this similar question on disabled="disabled".
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What is the !! (not not) operator in JavaScript?
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This is used to convert truthy values to boolean true, and falsy values too boolean false.
– thetoolman
Jul 16 '12 at 3:53
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Allow User to input HTML in ASP.NET MVC - ValidateInput or AllowHtml
.../de-de/magazine/hh708755.aspx) says, that you shouldn't use ValidateInpute and take AllowHtmlAttribute instead. (Did'nt found the English version)
– Alexander Schmidt
Feb 2 '12 at 11:26
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Is there a Subversion command to reset the working copy?
Is there a single Subversion command that would “reset” a working copy exactly to the state that’s stored in the repository? Something like git reset --hard or (ha, hard Git reset does not remove unversioned files either!) rm -rf wc && svn co <url> wc .
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How to use custom packages
I'm trying to create and use a custom package in Go. It's probably something very obvious but I cannot find much information about this. Basically, I have these two files in the same folder:
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Git add and commit in one command
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git config --global alias.add-commit '!git add -A && git commit'
and use it with
git add-commit -m 'My commit message'
EDIT: Reverted back to ticks ('), as otherwise it will fail for shell expansion on Linux. On Windows, one should use double-quotes (") instead (pointed out in the commen...
PostgreSQL disable more output
...t, run it with -q or set QUIET=1 in the environment.
To produce results and throw them away you can redirect stdout to /dev/null with:
psql db -f sql.sql >/dev/null
You can redirect both stdout and stderr with:
psql db -f sql.sql >&/dev/null
but I don't recommend that, as it'll th...
C#: why sign an assembly?
...mblies to be signed with the same key.
Is signing assemblies necessary and what would be wrong with not signing it?
No, it is not necessary but it is a mechanism allowing you to ensure the authenticity of an assembly. It allows you to ensure that an assembly hasn't been tampered with and indee...