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How to truncate milliseconds off of a .NET DateTime
...ue. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precision, so I need to simply drop the milliseconds.
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Why does comparing strings using either '==' or 'is' sometimes produce a different result?
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@AlexanderSupertramp, because of string interning.
– Chris Rico
Feb 1 '15 at 9:34
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How do you UrlEncode without using System.Web?
...at explains the difference:
What's the difference between EscapeUriString and EscapeDataString?
and recommends to use Uri.EscapeDataString() in any aspect.
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Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
...oking at the documentation, I hardly see any big difference. Both "value" and "object" are of type id , so can be any object. Key is once a string, and in the other case an id. One of them seems to retain the object, and the other don't. What else? Which one is for what case?
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List of Delphi language features and version in which they were introduced/deprecated
Before I begin, I would like to point out that I have honestly and genuinely searched repeatedly and exhaustively via Google for such a thing, and been unable to find one.
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Swift: Pass array by reference?
...ify your array (see answers below). Classes are passed by reference. Array and Dictionary in Swift are implemented as structs.
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Color Tint UIButton Image
...o match the tint of the segmented control. I thought this was really cool, and was wondering if I could do this elsewhere as well. For example, I have a bunch of buttons that have a uniform shape but varied colors. Instead of making a PNG for each button, could I somehow use this color masking to us...
How can I perform a reverse string search in Excel without using VBA?
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This one is tested and does work (based on Brad's original post):
=RIGHT(A1,LEN(A1)-FIND("|",SUBSTITUTE(A1," ","|",
LEN(A1)-LEN(SUBSTITUTE(A1," ","")))))
If your original strings could contain a pipe "|" character, then replace both in ...
Get nodes where child node contains an attribute
...agraphs" by Ronald Bourret.
But in all honesty, //book[title[@lang='it']] and the above should be equivalent, unless your XPath engine has "issues." So it could be something in the code or sample XML that you're not showing us -- for example, your sample is an XML fragment. Could it be that the roo...
What's the fastest way to do a bulk insert into Postgres?
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PostgreSQL has a guide on how to best populate a database initially, and they suggest using the COPY command for bulk loading rows. The guide has some other good tips on how to speed up the process, like removing indexes and foreign keys before loading the data (and adding them back afterward...