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How to URL encode a string in Ruby
... They deprecated that method, use * CGI.escape * instead. -> http://www.ruby-forum.com/topic/207489#903709. You should also be able to use URI.www_form_encode * URI.www_form_encode_component *, but I have never used those
– J-Rou
Jul 6 '12 at 14:...
Compare two DataFrames and output their differences side-by-side
...original question
The first step is to concatenate the DataFrames horizontally with the concat function and distinguish each frame with the keys parameter:
df_all = pd.concat([df.set_index('id'), df2.set_index('id')],
axis='columns', keys=['First', 'Second'])
df_all
It's pr...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to write inline if statement for print?
... condition:
block
if expression (introduced in Python 2.5)
expression_if_true if condition else expression_if_false
And note, that both print a and b = a are statements. Only the a part is an expression. So if you write
print a if b else 0
it means
print (a if b else 0)
and similarly ...
Checking for an empty field with MySQL
...%\ '
Make sure that there's a space after the backslash. More info here: http://dev.mysql.com/doc/refman/5.0/en/string-comparison-functions.html
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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...器。到了机器后再按照天或者半天分表，比如表名为 weibo_2013020101 、weibo_2013020112。weibo_2013020101表示2月1日上午一个表，weibo_2013020112表示2月1日下午一个表。光这样分了还是不够，1000w/2=500w，经不起压力扩展。我们还需要把表再...
How do I run NUnit in debug mode from Visual Studio?
...ays "it's a test", the 2nd says "it's C#".
For information on those Guids: http://www.mztools.com/Articles/2008/MZ2008017.aspx
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How to create a listbox in HTML without allowing multiple selection?
...=6 with the number of elements you want
you may want to check this site
http://www.htmlcodetutorial.com/forms/_SELECT.html
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What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close
...oducing Marionette as a composite application architecture for Backbone:
http://lostechies.com/derickbailey/2011/11/17/introduction-to-composite-javascript-apps/
http://lostechies.com/derickbailey/2011/12/12/composite-js-apps-regions-and-region-managers/
Message Queues / Patterns
The same large...
reformat in vim for a nice column layout
...
This is a great answer using vim macros: https://stackoverflow.com/a/8363786/59384 - basically, you start recording a macro, format the first column, stop recording then repeat the macro for all remaining lines.
Copy/pasted from that answer:
qa0f:w100i <Esc>...