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String was not recognized as a valid DateTime “ format dd/MM/yyyy”

...There's an overload of ParseExact that accepts an array of format patterns and will parse the text if it matches any of them. – Samuel Neff Feb 27 '12 at 2:22 7 ...
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Unit Testing: DateTime.Now

...it tests that expects the 'current time' to be different than DateTime.Now and I don't want to change the computer's time, obviously. ...
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How do I replace whitespaces with underscore?

... Replacing spaces is fine, but I might suggest going a little further to handle other URL-hostile characters like question marks, apostrophes, exclamation points, etc. Also note that the general consensus among SEO experts is that dashes are preferred to underscores in URLs. import re def urli...
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Converting camel case to underscore case in ruby

...ls so you can't call underscore by default, but by providing the code used and citing rails as the source this answer is a good one for ruby, It says you can include rails, or just include this function that the rails team wrote and have tested. – Michael Gorman ...
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How to detect which one of the defined font was used in a web page?

...t pretty reliable way. Basically, an element is set to use a specific font and a string is set to that element. If the font set for the element does not exist, it takes the font of the parent element. So, what they do is measure the width of the rendered string. If it matches what they expected f...
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How to make a new List in Java

... Note that ArrayList is not the only kind of List -- and, regarding the question, HashSet is not the only kind of Set. – slim Feb 11 '13 at 14:25 17 ...
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Android: Remove all the previous activities from the back stack

...t i = new Intent(OldActivity.this, NewActivity.class); // set the new task and clear flags i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); startActivity(i); Kotlin val i = Intent(this, NewActivity::class.java) // set the new task and clear flags i.flags = Intent.FLAG_...
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“for loop” with two variables? [duplicate]

...use: for i, j in zip(range(x), range(y)): # Stuff... Note that if x and y are not the same length, zip will truncate to the shortest list. As @abarnert pointed out, if you don't want to truncate to the shortest list, you could use itertools.zip_longest. UPDATE Based on the request for "a f...
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How do I see what character set a MySQL database / table / column is?

...ER_SET_APPLICABILITY` CCSA WHERE CCSA.collation_name = T.table_collation AND T.table_schema = "schemaname" AND T.table_name = "tablename"; For Columns: SELECT character_set_name FROM information_schema.`COLUMNS` WHERE table_schema = "schemaname" AND table_name = "tablename" AND column_na...
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Why number 9 in kill -9 command in unix? [closed]

I understand it's off topic, I couldn't find anywhere online and I was thinking maybe programming gurus in the community might know this. I usually use ...