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Undefined behavior and sequence points
...s answer is a bit long. So have patience while reading it. If you already know these things, reading them again won't make you crazy.
Pre-requisites : An elementary knowledge of C++ Standard
What are Sequence Points?
The Standard says
At certain specified points in the execution sequenc...
Is there an opposite to display:none?
...p the poor programmer with having to deal with implementing "make bald" - "now, put hair back". This answer tells you how to deal with that practical problem. Element.style.display = '' is error prone, because the "old hair" might not be the default display, but 'block' or 'table cell' or whatever. ...
SSH Key - Still asking for password and passphrase
... UseKeychain yes
AddKeysToAgent yes
IdentityFile ~/.ssh/id_rsa
And now my password is remembered between restarts of my Mac!
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jQuery AJAX file upload PHP
... display response from the PHP script, if any
}
});
});
And now for the server-side script, using PHP in this case.
upload.php: a PHP script that runs on the server and directs the file to the uploads directory:
<?php
if ( 0 < $_FILES['file']['error'] ) {
echo 'Er...
How to read the content of a file to a string in C?
...( &buffer, &len, '\0', fp);
if ( bytes_read != -1) {
/* Success, now the entire file is in the buffer */
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Programmer-friendly search engine? [closed]
...try stackse. I'm the author and it is work in progress, but it's usable by now.
– ren
Feb 25 '16 at 15:08
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Why can't I overload constructors in PHP?
...being able to overload my constructors in PHP, so what I'd really like to know is why .
14 Answers
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Java naming convention for static final variables [duplicate]
...mlFileReader extends FileReader {}
The developer is said not to need to know that the above classes are abstract or an interface.
Static Final
My personal preference and belief is that we should follow similar logic when referring to static final variables. Instead, we evaluate its usage when de...
Is a LINQ statement faster than a 'foreach' loop?
...
LINQ is slower now, but it might get faster at some point. The good thing about LINQ is that you don't have to care about how it works. If a new method is thought up that's incredibly fast, the people at Microsoft can implement it without e...
docker mounting volumes on host
...the following:
docker run --volumes-from some-volume docker-image-name:tag
Now you have a docker container running that will have the volume from some-volume mounted in /var/lib/mysql
Note: Using --volumes-from will mount the volume over whatever exists in the location of the volume. I.e., if you ...