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Regex to test if string begins with http:// or https://
...new RegExp("^(http|https)://", "i");
var str = "My String";
var match = re.test(str);
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How to set host_key_checking=false in ansible inventory file?
...re by isolating this insecure setting to the hosts required for this (e.g. test systems, local development machines).
What you can do at the inventory level is add
ansible_ssh_common_args='-o StrictHostKeyChecking=no'
or
ansible_ssh_extra_args='-o StrictHostKeyChecking=no'
to your host defini...
WPF ListView turn off selection
...ome other way of notifying the user when the item is selected (or just for testing) you can add a column to represent the value:
<GridViewColumn Header="IsSelected"
DisplayMemberBinding="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListViewItem}...
Scale image to fit a bounding box
... url(...);
background-repeat: no-repeat;
background-size: contain;
}
Test it here: http://www.w3schools.com/cssref/playit.asp?filename=playcss_background-size&preval=contain
Full compatibility with latest browsers: http://caniuse.com/background-img-opts
To align the div in the center, yo...
How do I Search/Find and Replace in a standard string?
... to )
{
return std::regex_replace( in, std::regex(from), to );
}
string test = "Remove all spaces";
std::cout << do_replace(test, " ", "") << std::endl;
output:
Removeallspaces
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PHP passing $_GET in linux command prompt
...ices and errors as well, e.g. <b>Notice</b>: Undefined index: testing in <b> ... </b><br />
– bafromca
Jan 19 '16 at 1:59
...
How to count the number of files in a directory using Python
...
os.listdir() will be slightly more efficient than using glob.glob. To test if a filename is an ordinary file (and not a directory or other entity), use os.path.isfile():
import os, os.path
# simple version for working with CWD
print len([name for name in os.listdir('.') if os.path.isfile(name...
How to make a div with no content have a width?
...e content of the div will take no room but will force the div to display
.test1::before{
content: "\200B";
}
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How to check 'undefined' value in jQuery
...ks because val always exists (it's a function argument).
If you wanted to test an arbitrary variable that is not an argument, i.e. might not be defined at all, you'd have to use if(typeof val === 'undefined') to avoid an exception in case val didn't exist.
...
#define macro for debug printing in C?
...e when DEBUG is 0.
If you want to work with #ifdef DEBUG, then change the test condition:
#ifdef DEBUG
#define DEBUG_TEST 1
#else
#define DEBUG_TEST 0
#endif
And then use DEBUG_TEST where I used DEBUG.
If you insist on a string literal for the format string (probably a good idea anyway), you ca...