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Replacing blank values (white space) with NaN in pandas
...^\s*$' should be the expression to use. without ^ and $ it will match any string with two consecutive blanks. Also changed + to * to include the empty string "" in the list of things to convert to NaN
– Master Yogurt
Nov 18 '16 at 17:36
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Correctly determine if date string is a valid date in that format
I'm receiving a date string from an API, and it is formatted as yyyy-mm-dd .
16 Answers
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pandas: multiple conditions while indexing data frame - unexpected behavior
...ve corresponding special methods which control their behaviour. (In query strings, of course, we're free to apply any parsing we like.)
– DSM
Jan 31 '17 at 3:02
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How do I use grep to search the current directory for all files having the a string “hello” yet disp
... grep to search the current directory for any and all files containing the string "hello" and display only .h and .cc files?
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How to get current page URL in MVC 3
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You could use the Request.RawUrl, Request.Url.OriginalString, Request.Url.ToString() or Request.Url.AbsoluteUri.
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The $.param( ) inverse function in JavaScript / jQuery
...rsion of a function I wrote a while ago to do something similar.
var QueryStringToHash = function QueryStringToHash (query) {
var query_string = {};
var vars = query.split("&");
for (var i=0;i<vars.length;i++) {
var pair = vars[i].split("=");
pair[0] = decodeURIComponent(pair[...
A KeyValuePair in Java [duplicate]
...w deprecated (API 22).
Use Pair instead.
Example usage:
Pair<Integer, String> simplePair = new Pair<>(42, "Second");
Integer first = simplePair.first; // 42
String second = simplePair.second; // "Second"
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Using HTML5/JavaScript to generate and save a file
... option out! Here is basically how I do it:
1) get all the content into a string called "content" (e.g. by creating it there initially or by reading innerHTML of the tag of an already built page).
2) Build the data URI:
uriContent = "data:application/octet-stream," + encodeURIComponent(content);...
How to add parameters to a HTTP GET request in Android?
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I use a List of NameValuePair and URLEncodedUtils to create the url string I want.
protected String addLocationToUrl(String url){
if(!url.endsWith("?"))
url += "?";
List<NameValuePair> params = new LinkedList<NameValuePair>();
if (lat != 0.0 && lon !...
Converting .NET DateTime to JSON [duplicate]
... This will come in handy too: var re = /-?\d+/; var m = re.exec(json_date_string); var d = new Date(parseInt(m[0]));
– Tominator
Sep 15 '09 at 8:03
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