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Write to UTF-8 file in Python
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Read the following: http://docs.python.org/library/codecs.html#module-encodings.utf_8_sig
Do this
with codecs.open("test_output", "w", "utf-8-sig") as temp:
temp.write("hi mom\n")
temp.write(u"This has ♭")
The resulting file is UTF-8 with the expected BOM.
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Why did Rails4 drop support for “assets” group in the Gemfile
...ur web server.
(Source: http://edgeguides.rubyonrails.org/asset_pipeline.html#in-production)
But many time you have to use these 'assets' gems in production... for example, if you use a js.coffee file in your views directory, then Rails needs coffee compiler in production mode as well.
So I gue...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...ompiler.:
http://gcc.gnu.org/onlinedocs/gcc/Structure_002dPacking-Pragmas.html
In addition to the previous answers, please note that regardless the packaging, there is no members-order-guarantee in C++. Compilers may (and certainly do) add virtual table pointer and base structures' members to the ...
Actual meaning of 'shell=True' in subprocess
... the statement about $SHELL is not correct. To quote subprocess.html: "On Unix with shell=True, the shell defaults to /bin/sh." (not $SHELL)
– marcin
Feb 11 '16 at 16:27
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How to validate IP address in Python? [duplicate]
...IPv6 manipulation library s.a. https://docs.python.org/3/library/ipaddress.html for complete documentation.
Example :
#!/usr/bin/env python
import ipaddress
import sys
try:
ip = ipaddress.ip_address(sys.argv[1])
print('%s is a correct IP%s address.' % (ip, ip.version))
except ValueErro...
Do regular expressions from the re module support word boundaries (\b)?
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Python documentation
https://docs.python.org/2/library/re.html#regular-expression-syntax
\b
Matches the empty string, but only at the beginning or end of a word. A word is defined as a sequence of alphanumeric or underscore characters, so the end of a word is indicated by whitespac...
req.query and req.param in ExpressJS
... you truly accept input from each object.
Ref:http://expressjs.com/4x/api.html#req.param
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Class type check in TypeScript
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See more at:
https://www.typescriptlang.org/docs/handbook/advanced-types.html
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Transparent ARGB hex value
...unction() {
var hex = rgb2hex($('#in_tb').val());
$('#in_tb_result').html(hex);
});
body {
padding: 20px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
Convert RGB/RGBA to hex #RRGGBB/#AARRGGBB:<br>
<br>
<input i...
Android: HTTP communication should use “Accept-Encoding: gzip”
...rn gzip pages. developer.android.com/reference/java/net/HttpURLConnection.html I was able to return gzip pages from php by using ob_start("ob_gzhandler");
– metric152
Aug 13 '12 at 18:35
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