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Deleting all records in a database table
...dels attached to it you can do:
rake db:purge
you can also do it on the test database
rake db:test:purge
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Disabling browser print options (headers, footers, margins) from page?
...lns="http://www.w3.org/1999/xhtml">
<head>
<title>Print Test</title>
<style type="text/css" media="print">
@page
{
size: auto; /* auto is the initial value */
margin: 0mm; /* this affects the margin in the printer settings */
}
...
Android ACTION_IMAGE_CAPTURE Intent
...ute further to the discussion and help out newcomers I've created a sample/test app that shows several different strategies for photo capture implementation. Contributions of other implementations are definitely encouraged to add to the discussion.
https://github.com/deepwinter/AndroidCameraTester...
What is the use of the square brackets [] in sql statements?
...ame names as SQL keywords, or have spaces in them.
Example:
create table test ( id int, user varchar(20) )
Oh no! Incorrect syntax near the keyword 'user'.
But this:
create table test ( id int, [user] varchar(20) )
Works fine.
...
Execute JavaScript using Selenium WebDriver in C#
...)js.ExecuteScript(scripts);
}
}
In your code you can then do
string test = Webdriver.ExecuteJavaScript<string>(" return 'hello World'; ");
int test = Webdriver.ExecuteJavaScript<int>(" return 3; ");
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How to push different local Git branches to Heroku/master
... edited Sep 11 '18 at 12:03
testuser
71111 gold badge1010 silver badges2323 bronze badges
answered Nov 14 '11 at 15:00
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Find and extract a number from a string
...
Good point, that'll teach me not to test the code I write in comment! You can also make a string from a char array using the new string(char[]) constructor.
– Thomas
Jun 2 '15 at 8:32
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Get selected value/text from Select on change
...
function test(a) {
var x = (a.value || a.options[a.selectedIndex].value); //crossbrowser solution =)
alert(x);
}
<select onchange="test(this)" id="select_id">
<option value="0">-Select-</option>
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Header files for x86 SIMD intrinsics
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20200914: latest best practice: <immintrin.h> (also supported by MSVC)
I'll leave the rest of the answer for historic purposes; it might be useful for older compiler / platform combinations...
As many of the answers and comments h...
What does the `forall` keyword in Haskell/GHC do?
...ust contain two of the same type? Let's tell it they don't have to be"
-- test.hs
liftTup :: (x -> f x) -> (a, b) -> (f a, f b)
liftTup liftFunc (t, v) = (liftFunc t, liftFunc v)
ghci> :l test.hs
Couldnt match expected type 'x' against inferred type 'b'
...
Hmm. so here GHC d...