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Provide an image for WhatsApp link sharing
...the perfect preview for WhatsApp, Twitter, Facebook and bookmark icons for pc's and mobile devices. If you like reading go to ogp.me - but make sure to read steps 1 - 6 in this answer to get the best WhatsApp preview.
Please note: some apps or websites use cache or even store the website preview to ...
jQuery lose focus event
...ptions').hide();
});
})
jsfiddle with blur: http://jsfiddle.net/yznhb8pc/
$(function() {
$('#filter').focusout(function() {
$('#options').hide();
});
})
jsfiddle with focusout: http://jsfiddle.net/yznhb8pc/1/
...
mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
..._errors should be set to 1 (it is convenient to have logs on a development PC too)
display_errors should be set to 1
On a production server
error_reporting should be set to E_ALL value;
log_errors should be set to 1
display_errors should be set to 0
How to actually use it?
Just remove any c...
Are GUID collisions possible?
...ake.
How did it happen, in a small application that was running on Pocket PC, at the end of an operation a command that has an generated GUID must be issued. The command after it was executed on the server it was stored in a command table on the server along with the execution date. One day when I ...
Linq: GroupBy, Sum and Count
... ProductName = g.First().Name,
Price = g.Sum(pc => pc.Price).ToString(),
Quantity = g.Count().ToString(),
};
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Where are static variables stored in C and C++?
...0 mov 0x0(%rip),%eax # a <f+0xa>
6: R_X86_64_PC32 .data-0x4
and the .data-0x4 says that it will go to the first byte of the .data segment.
The -0x4 is there because we are using RIP relative addressing, thus the %rip in the instruction and R_X86_64_PC32.
It is re...
Context switches much slower in new linux kernels
... tune. In other words, even if you completely disable all C states in your PC's (or server's) BIOS, this driver will still force them on during periods of brief inactivity, which are almost always happening unless an all core consuming synthetic benchmark (e.g., stress) is running. You can monitor C...
Show Youtube video source into HTML5 video tag?
...L5, or flash, or some other plugin based on what is available on the users PC. This is why you are having a difficult time using the video tag with youtube videos.
YouTube does offer a developer API to embed a youtube video into your page.
I made a JSFiddle as a live example: http://jsfiddle.net/z...
How to get the groups of a user in Active Directory? (c#, asp.net)
...
In my case the only way I could keep using GetGroups() without any expcetion was adding the user (USER_WITH_PERMISSION) to the group which has permission to read the AD (Active Directory). It's extremely essential to construct the PrincipalContext passing this user and password.
var pc = new ...
How to show and update echo on same line
...all example that you can run to understand its behaviour:
#!/bin/bash
for pc in $(seq 1 100); do
echo -ne "$pc%\033[0K\r"
sleep 1
done
echo
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