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What is the colon operator in Ruby?
...what exactly does the : do? I read somewhere about how it's similar to a string, but somehow a symbol.
9 Answers
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What is the boundary in multipart/form-data?
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@K3rnel31 Of course, unless the new boundary string has the same length.
– Oscar Mederos
Apr 16 '14 at 19:00
5
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Netty vs Apache MINA
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While MINA and Netty have similar ambitions, they are quite different in practice and you should consider your choice carefully. We were lucky in that we had lots of experience with MINA and had the time to play around with Netty. We es...
Log all requests from the python-requests module
...m:
requests no
http.client.HTTPConnection no
urllib3 yes
Sure, you can extract debug messages from HTTPConnection by setting:
HTTPConnection.debuglevel = 1
but these outputs are merely emitted via the print statement. To prove this, simply grep the Python 3.7 client.py source code and view th...
How to find a Java Memory Leak
...jects to stick in memory"? I see very general things like int[], Object[], String, etc. How do I find where they come from?
– Vituel
Apr 19 '17 at 14:49
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onKeyPress Vs. onKeyUp and onKeyDown
... an empty input element:
The value of the input element will be an empty string (old value) inside the keypress handler
The value of the input element will be 1 (new value) inside the keyup handler.
This is of critical importance if you are doing something that relies on knowing the new value af...
Remove last character of a StringBuilder?
When you have to loop through a collection and make a string of each data separated by a delimiter, you always end up with an extra delimiter at the end, e.g.
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...[/root/postfix-2.9.1] /tmp/postfix
config_directory: [/etc/postfix]
command_directory: [/usr/sbin]
daemon_directory: [/usr/libexec/postfix]
data_directory: [/var/lib/postfix]
html_directory: [no]
mail_owner: [postfix]
mailq_path: [/usr/bin/mailq]
manpage_directory: [/usr/local/man]
newal...
Converting List to List
... List<Integer> and I'd like to convert all the integer objects into Strings, thus finishing up with a new List<String> .
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Single vs double quotes in JSON
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JSON syntax is not Python syntax. JSON requires double quotes for its strings.
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