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Kiosk mode in Android
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machine.
Install your device owner app.
Create a device_owner.xml file
and save it to the /data/system directory on the device.
$ adb root
$ adb shell stop
$ rm /tmp/device_owner.xml
$ echo "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>" >> /tmp/device_owner.x...
MySQL DROP all tables, ignoring foreign keys
... why not just pipe mysqldump to mysql, without going through a file?
– Rolf
May 28 '18 at 16:40
2
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How to implement a unique index on two columns in rails
...ration using version number rake db:migrate:up VERSION=20180411062714 one file at a time. I already had data on the table on which I did unique true on two column.
– thedudecodes
Apr 19 '18 at 6:49
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Run javascript function when user finishes typing instead of on key up?
...ng critically important. Great. ONE LINE of code that requires a 1.1k JS file to load. I am not downvoting this because is a solution. But the one line bold thing irks me as well as leading to bloat code.
– Wolfie
May 20 '16 at 16:17
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Generate random numbers with a given (numerical) distribution
I have a file with some probabilities for different values e.g.:
13 Answers
13
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Catch Ctrl-C in C
...arrier. As the variable is static and thus not visible outside the current file, the compiler is safe to assume that a function cannot ever change its value, unless you pass a reference to that variable to the function. So volatile is strongly advised here in any case.
– Mecki
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How do I put a clear button inside my HTML text input box like the iPhone does?
...ault.
(If you use Bootstrap, you'll have to add an override to your css file to make it show)
input[type=search]::-webkit-search-cancel-button {
-webkit-appearance: searchfield-cancel-button;
}
Safari/WebKit browsers can also provide extra features when using type="search", like results=...
Numpy: find first index of value fast
...n which is annoying, but it's really just 2 minutes of work. Add this to a file called search.f90:
subroutine find_first(needle, haystack, haystack_length, index)
implicit none
integer, intent(in) :: needle
integer, intent(in) :: haystack_length
integer, intent(in), dimension(haysta...
How to create index in Entity Framework 6.2 with code first
...default gets removed. That has to be explicitly removed from the migration file created by stating clusered:false in .Primarykey(x=>x.id,clustered:false) method
– Joy
May 10 '14 at 16:12
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Why does ASP.NET webforms need the Runat=“Server” attribute?
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HTML elements in ASP.NET files are, by default, treated as text. To make these elements programmable, add a runat="server" attribute to the HTML element. This attribute indicates that the element should be treated as a server control.
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