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Seeding the random number generator in Javascript
Is it possible to seed the random number generator (Math.random) in Javascript?
13 Answers
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Using try vs if in python
... to decide which one of try or if constructs to use, when testing variable to have a value?
9 Answers
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Passing arguments forward to another javascript function
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Use .apply() to have the same access to arguments in function b, like this:
function a(){
b.apply(null, arguments);
}
function b(){
alert(arguments); //arguments[0] = 1, etc
}
a(1,2,3);
You can test it out here.
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How to use regex in String.contains() method in Java
...words "stores", "store", and "product" in that order, no matter what is in between them.
5 Answers
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Getting “bytes.Buffer does not implement io.Writer” error message
I'm trying to have some Go object implement io.Writer, but writes to a string instead of a file or file-like object. I thought bytes.Buffer would work since it implements Write(p []byte) . However when I try this:
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Insert a row to pandas dataframe
...df.index = df.index + 1 # shifting index
df = df.sort_index() # sorting by index
And you get, as desired:
A B C
0 2 3 4
1 5 6 7
2 7 8 9
See in Pandas documentation Indexing: Setting with enlargement.
s...
How to determine whether a Pandas Column contains a particular value
... was not in the column 43 in df['id'] it still returned True . When I subset to a data frame only containing entries matching the missing id df[df['id'] == 43] there are, obviously, no entries in it. How to I determine if a column in a Pandas data frame contains a particular value and why doesn...
How to convert FileInputStream to InputStream? [closed]
...eam (or Reader). It will be automatically closed when you close the wrapping stream/reader.
If this is a method returning an InputStream to the caller, then it is the caller's responsibility to close the stream when finished with it. If you close it in your method, the caller will not be able to us...
Why does C++ require a user-provided default constructor to default-construct a const object?
...idered a defect (against all versions of the standard) and it was resolved by Core Working Group (CWG) Defect 253. The new wording for the standard states in http://eel.is/c++draft/dcl.init#7
A class type T is const-default-constructible if
default-initialization of T would invoke a user-provi...
Build an ASCII chart of the most commonly used words in a given text [closed]
Build an ASCII chart of the most commonly used words in a given text.
59 Answers
59
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