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Replacing blank values (white space) with NaN in pandas
..._range('2000-01-01','2000-01-06'))
# replace field that's entirely space (or empty) with NaN
print(df.replace(r'^\s*$', np.nan, regex=True))
Produces:
A B C
2000-01-01 -0.532681 foo 0
2000-01-02 1.490752 bar 1
2000-01-03 -1.387326 foo 2
2000-01-04 0.814772 baz...
What is the difference between a var and val definition in Scala?
... to a var can. However, said object can have its internal state modified. For example:
class A(n: Int) {
var value = n
}
class B(n: Int) {
val value = new A(n)
}
object Test {
def main(args: Array[String]) {
val x = new B(5)
x = new B(6) // Doesn't work, because I can't replace the ...
How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line?
1...
Android Studio - Ambiguous method call getClass()
I'm using Android Studio for my Android application.
My code works and compiles.
Recently, the IDE showes me error (red lines) on getClass of the following code:
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How to continue a task when Fabric receives an error
...everal remote servers, if the task runs on server one and exits with an error, Fabric will stop and abort the task. But I want to make fabric ignore the error and run the task on the next server. How can I make it do this?
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How to convert an Int to a String of a given length with leading zeros to align?
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The Java library has pretty good (as in excellent) number formatting support which is accessible from StringOps enriched String class:
scala> "%07d".format(123)
res5: String = 0000123
scala> "%07d".formatLocal(java.util.Locale.US, 123)
res6: String = 0000123
Edit post Scala...
Override console.log(); for production [duplicate]
... at the top of the file:
var console = {};
console.log = function(){};
For some browsers and minifiers, you may need to apply this onto the window object.
window.console = console;
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impr...
How do you run your own code alongside Tkinter's event loop?
My little brother is just getting into programming, and for his Science Fair project, he's doing a simulation of a flock of birds in the sky. He's gotten most of his code written, and it works nicely, but the birds need to move every moment .
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Google App Engine: Is it possible to do a Gql LIKE query?
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
12 Answers
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Remove a cookie
... I understand that this is an example, but please never ever store username or password in cookies.
– tamasd
Feb 10 '14 at 15:56
3
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