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Is Meyers' implementation of the Singleton pattern thread safe?
...escu in Modern C++ Design. See Loki's site: loki-lib.sourceforge.net/index.php?n=Pattern.Singleton
– Matthieu M.
Nov 2 '09 at 14:57
1
...
Get image data url in JavaScript?
...rn), it does not create the same base64 string as the one I'm getting from PHP when doing base64_encode on the file obtained with file_get_contents function. The images seem very similar/the same, still the Javascripted one is smaller and I'd love them to be exactly the same. One more thing: the in...
How to set environment variable for everyone under my linux system?
...
As well as /etc/profile which others have mentioned, some Linux systems now use a directory /etc/profile.d/; any .sh files in there will be sourced by /etc/profile. It's slightly neater to keep your custom environment stuff in these file...
Python Requests and persistent sessions
... urllib.urlencode(formdata)
response = opener.open("https://page.com/login.php", data_encoded)
content = response.read()
EDIT:
I see I've gotten a few downvotes for my answer, but no explaining comments. I'm guessing it's because I'm referring to the urllib libraries instead of requests. I do tha...
Show Youtube video source into HTML5 video tag?
...toString();
var mp4url = "http://www.youtubeinmp4.com/redirect.php?video=";
video.src = mp4url + id;
}
}
}
Usage (Full)
<video controls="true">
<source src="www.youtube.com/watch?v=3bGNuRtlqAQ" type="video/mp4" />
</video>
Standard video...
For homebrew mysql installs, where's my.cnf?
... you want to create your own my.cnf to override any defaults, place it at /etc/my.cnf.
Also, you can run mysql --help and look through it for the conf locations listed.
Default options are read from the following files in the given order:
/etc/my.cnf /etc/mysql/my.cnf /usr/etc/my.cnf ~/.my.cnf
Th...
How to place and center text in an SVG rectangle
...o maintain compatibility with SVG 1.1:
http://wiki.inkscape.org/wiki/index.php/FAQ#What_about_flowed_text.3F
Furthermore, there are some JavaScript libraries that can be used to dynamically automate text wrapping:
http://www.carto.net/papers/svg/textFlow/
It's interesting to note CSVG's solution t...
How to show Page Loading div until the page has finished loading?
...ion and make an ajax call like this:
$.ajax({
type: 'GET',
url: "some.php",
data: "name=John&location=Boston",
beforeSend: function(xhr){ <---- use this option here
$('.select_element_you_want_to_load_into').html('Loading...');
},
success: function(msg){
$('...
Does it make sense to do “try-finally” without “catch”?
...hat will be thrown is the one in finally. This behavior is not the same in PHP and Python as both exceptions will be thrown at the same time in these languages and the exceptions order is try first an then finally.
– Rain
Jan 24 at 17:40
...
Include an SVG (hosted on GitHub) in MarkDown
...curity approaches, this is a good article: https://digi.ninja/blog/svg_xss.php see also: https://security.stackexchange.com/questions/148507/how-to-prevent-xss-in-svg-file-upload
show SVG inside <img tag, which prevents scripts from running, e.g. on READMEs: https://github.com/cirosantilli/test-...