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python pandas: apply a function with arguments to a series
...to pass extra arguments (see the new documentation). So now you can do:
my_series.apply(your_function, args=(2,3,4), extra_kw=1)
The positional arguments are added after the element of the series.
For older version of pandas:
The documentation explains this clearly. The apply method accepts a...
Best way to specify whitespace in a String.Split operation
...
If you just call:
string[] ssize = myStr.Split(null); //Or myStr.Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's documentation page...
Cleaning up old remote git branches
... the end of your git statement to see the result of running it without actually running it.
Docs for git remote prune and git branch.
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Change values while iterating
...", ""},
&Attribute{"bar", ""},
}}
for _, attr := range n.Attr {
if attr.Key == "href" {
attr.Val = "something"
}
}
for _, v := range n.Attr {
fmt.Printf("%#v\n", *v)
...
Is Java Regex Thread Safe?
...41681.html#A14 : "The Java 2 SDK, Standard Edition itself contains a file called src.zip that contains the source code for the public classes in the java package") so one can take a quick peek oneself.
– David Tonhofer
Nov 18 '13 at 15:40
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Java URL encoding of query string parameters
... are represented by +, not %20, which is legitimately valid. The %20 is usually to be used to represent spaces in URI itself (the part before the URI-query string separator character ?), not in query string (the part after ?).
Also note that there are three encode() methods. One without Charset as s...
What is the purpose of XORing a register with itself? [duplicate]
...ad dependency on eax, so the execution time is the same" The processor actually does even better: it just executes a register rename internally, and doesn't even do anything at all with eax.
– kquinn
Sep 8 '09 at 22:16
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Pandas count(distinct) equivalent
...if I have multiple columns that I want to be unique together, like in .drop_duplicates(subset=['col1','col2'])?
– ErnestScribbler
Oct 2 '17 at 8:10
4
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JavaScript/JQuery: $(window).resize how to fire AFTER the resize is completed?
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Here's a modification of CMS's solution that can be called in multiple places in your code:
var waitForFinalEvent = (function () {
var timers = {};
return function (callback, ms, uniqueId) {
if (!uniqueId) {
uniqueId = "Don't call this twice without a uniqueId";
...
Regular vs Context Free Grammars
...ammar is either right or left linear, whereas context free grammar is basically any combination of terminals and non-terminals. Hence you can see that regular grammar is a subset of context-free grammar.
So for a palindrome for instance, is of the form,
S->ABA
A->something
B->something
...