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RegEx to make sure that the string contains at least one lower case char, upper case char, digit and

What is the regex to make sure that a given string contains at least one character from each of the following categories. ...
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CSS Image size, how to fill, not stretch?

...eight. Method 4 uses a double image ( one as placeholder ) this gives some extra bandwidth overhead, but even better crossbrowser support. Method 1 and 3 don't seem to work with Firefox share | im...
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How to implement a binary tree?

...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method. – Jeff Mandell Oct 18 '15 at 2:30 ...
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AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?

...omedata). As you can see, this is not valid JSON. And, somedata can be a string, or a number, or whatever you want it to be. – Ray Nicholus Feb 14 '14 at 15:45 1 ...
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Check if object value exists within a Javascript array of objects and if not add a new object to arr

...)){ // add fred } Map over existing users to create array of username strings. Check if that array of usernames includes the new username If it's not present, add the new user share | improve ...
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Download JSON object as a file from browser

I have the following code to let users download data strings in csv file. 11 Answers 1...
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Add new row to dataframe, at specific row-index, not appended?

... Answers with benchmarks should have some extra reputation applied automatically IMO. Thanks! – Alex Jun 20 '19 at 10:42 add a comment ...
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Expand/collapse section in UITableView in iOS

...l = true var itemsInSection: NSMutableArray = [] var sectionTitle: String? init(itemsInSection: NSMutableArray, sectionTitle: String) { self.itemsInSection = itemsInSection self.sectionTitle = sectionTitle } } 3.in your tableview import UIKit class TableViewContr...
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ROW_NUMBER() in MySQL

...e about that in the answer a tic ago. You can usually easily drop unwanted extra rows in the application layer afterwards on some random basis, but if you have a lot of rows all with the same col3 it can be problematic. – bobince Dec 13 '09 at 0:18 ...
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Post JSON using Python Requests

...eter of requests works fine with dictionaries. No need for converting to a string. – Advait S Jul 2 '18 at 6:32  |  show 1 more comment ...