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Creating an empty Pandas DataFrame, then filling it?
... DataFrame docs here: http://pandas.pydata.org/pandas-docs/stable/dsintro.html
5 Answers
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UnboundLocalError on local variable when reassigned after first use
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Here are two links that may help
1: docs.python.org/3.1/faq/programming.html?highlight=nonlocal#why-am-i-getting-an-unboundlocalerror-when-the-variable-has-a-value
2: docs.python.org/3.1/faq/programming.html?highlight=nonlocal#how-do-i-write-a-function-with-output-parameters-call-by-reference
l...
How to add a second css class with a conditional value in razor MVC 4
While Microsoft has created some automagic rendering of html attributes in razor MVC4, it took me quite some time to find out how to render a second css class on an element, based on a conditional razor expression. I would like to share it with you.
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Disable/turn off inherited CSS3 transitions
...to be supported (with a specific adjustment for Opera) given the following HTML:
<a href="#" class="transition">Content</a>
<a href="#" class="transition">Content</a>
<a href="#" class="noTransition">Content</a>
<a href="#" class="transition">Content</a&...
How to differ sessions in browser-tabs?
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You can use HTML5 SessionStorage (window.sessionStorage). You will generate a random id and save in session Storage per Browser Tab.
Then each browser tab has his own Id.
Data stored using sessionStorage do not persist across browse...
What is tail call optimization?
... reading this post after reading 2ality.com/2015/06/tail-call-optimization.html
– agm1984
Nov 12 '17 at 21:31
Nice C i...
Set cURL to use local virtual hosts
... # this is a comment
url = "curl.haxx.se"
output = "curlhere.html"
user-agent = "superagent/1.0"
# and fetch another URL too
url = "curl.haxx.se/docs/manpage.html"
-O
referer = "http://nowhereatall.com/"
# --- End of example file ---
This opt...
Change Screen Orientation programmatically using a Button
...fo
http://developer.android.com/reference/android/content/pm/ActivityInfo.html
Refer the
link:
Button buttonSetPortrait = (Button)findViewById(R.id.setPortrait);
Button buttonSetLandscape = (Button)findViewById(R.id.setLandscape);
buttonSetPortrait.setOnClickListener(new Button.OnClickListener(...
Creating stored procedure and SQLite?
... for the addition. Ref for System.Data.SQLite system.data.sqlite.org/index.html/doc/trunk/www/index.wiki
– h3xStream
Sep 3 '14 at 14:42
add a comment
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Calculate difference in keys contained in two Python dictionaries
...e a look at the Unit testing framework: docs.python.org/2/library/unittest.html, just follow the assertDictEqual method in the source code.
– Laurent LAPORTE
Nov 20 '13 at 6:52
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