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Find integer index of rows with NaN in pandas dataframe
I have a pandas DataFrame like this:
11 Answers
11
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When should I use semicolons in SQL Server?
While checking some code on the web and scripts generated by SQL Server Management Studio I have noticed that some statements are ended with a semicolon.
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Initialize a byte array to a certain value, other than the default null? [duplicate]
...if you need to do this a lot then you could create a helper method to help keep your code concise:
byte[] sevenItems = CreateSpecialByteArray(7);
byte[] sevenThousandItems = CreateSpecialByteArray(7000);
// ...
public static byte[] CreateSpecialByteArray(int length)
{
var arr = new byte[lengt...
Can anyone explain IEnumerable and IEnumerator to me? [closed]
...h?
You don't use IEnumerable "over" foreach. Implementing IEnumerable makes using foreach possible.
When you write code like:
foreach (Foo bar in baz)
{
...
}
it's functionally equivalent to writing:
IEnumerator bat = baz.GetEnumerator();
while (bat.MoveNext())
{
bar = (Foo)bat.Current...
How to rethrow InnerException without losing stack trace in C#?
...around it?
I am rethrowing the InnerException, but this destroys the stack trace.
Example code:
10 Answers
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Math.random() explanation
...swered Nov 1 '11 at 2:29
AusCBlokeAusCBloke
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How do I add a linker or compile flag in a CMake file?
...e. When I test it by adding a simple exception handling in that code it works too (after adding -fexceptions .. I guess it is disabled by default).
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JavaScript Editor Plugin for Eclipse [duplicate]
...here an Eclipse plugin available for JavaScript that allows for syntax checking and autosuggestions for .js files in Eclipse?
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Building a fat jar using maven
... <id>assemble-all</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</p...
Coffeescript — How to create a self-initiating anonymous function?
...st use parentheses (e.g. (-> foo)(), you can avoid them by using the do keyword:
do f = -> console.log 'this runs right away'
The most common use of do is capturing variables in a loop. For instance,
for x in [1..3]
do (x) ->
setTimeout (-> console.log x), 1
Without the do, y...