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Converting a column within pandas dataframe from int to string
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I really don't understand why, but mtrx['X.3'].apply(str) does not work for me either :( dtype still shows int64. The dataframe for 23177 row and X.3 column got only numbers. In [21]: mtrx['X.3'].dtype Out[21]: dtype('i...
Is there a software-engineering methodology for functional programming? [closed]
...g people have not yet discovered functional programming. Here are some parallels:
Many OO "design patterns" are captured as higher-order functions. For example, the Visitor pattern is known in the functional world as a "fold" (or if you are a pointy-headed theorist, a "catamorphism"). In functi...
List of encodings that Node.js supports
I need to read a file which is encoded with ISO-8859-1 (also called latin1), something like this:
2 Answers
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Subdomain on different host [closed]
... to get the sub domain
anothersite.mydomain.com
of which the site is actually on another server then
login to Godaddy and add an A record dnsimple anothersite.mydomain.com and point the IP to the other server 98.22.11.11
And that's it.
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Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
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I'm excited for all the SQL injection opportunities this provides.
– asteri
Jun 26 '13 at 15:45
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...is far from being optimal.Particularly, you don't have to use the modulo, call ToString() and apply (int) cast. Considering that in most cases in C# world you would start numbering from 0, here is my revision: <!-- language: c# --> public static string GetColumnName(int index) // zero-ba...
Bash/sh - difference between && and ;
I normally use ; to combine more than one command in a line, but some people prefer && . Is there any difference? For example, cd ~; cd - and cd ~ && cd - seems to make the same thing. What version is more portable, e.g. will be supported by a bash-subset like Android's shell ...
Why is Java's Iterator not an Iterable?
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Because an iterator generally points to a single instance in a collection. Iterable implies that one may obtain an iterator from an object to traverse over its elements - and there's no need to iterate over a single instance, which is what an iterato...
Application_Start not firing?
... @mac10688 true, but there is still "IIS Express" which is still generally not the production environment. Updated the answer accordingly thanks.
– MemeDeveloper
Nov 29 '16 at 15:17
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jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
...his won't work for "20pt" or "20em". parseInt("20pt") == 20! This may be all that the poster needs, but I'd like to be able to use X("20em") for example and get back the true width in pixels.
– Lawrence I. Siden
May 20 '11 at 22:53
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