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Inserting a tab character into text using C#
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SteveC
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answered Dec 14 '08 at 3:25
DShookDShook
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What is a covariant return type?
...od which holds an explicit reference to a MyFoo object will be able to invoke clone() and know (without casting) that the return value is an instance of MyFoo. Without covariant return types, the overridden method in MyFoo would have to be declared to return Object - and so calling code would have ...
Remove stubborn underline from link
I am attempting to have a link show up in white, without an underline. The text color shows up correctly as white, but the blue underline is stubbornly persisting. I tried text-decoration: none; and text-decoration: none !important; in the CSS to remove the link underline. Neither worked.
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Loop through a date range with JavaScript
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Here's a way to do it by making use of the way adding one day causes the date to roll over to the next month if necessary, and without messing around with milliseconds. Daylight savings aren't an issue either.
var now = new Date();
var daysOfYear = []...
NULL values inside NOT IN clause
...t;> 2 and 3 <> null
When ansi_nulls is on, 3 <> null is UNKNOWN, so the predicate evaluates to UNKNOWN, and you don't get any rows.
When ansi_nulls is off, 3 <> null is true, so the predicate evaluates to true, and you get a row.
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What is the difference between substr and substring?
...e), but the second argument to substr is the maximum length to return.
Links?
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/String/substr
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/String/substring
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Group by in LINQ
Let's suppose if we have a class like:
10 Answers
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Ways to save enums in database
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We never store enumerations as numerical ordinal values anymore; it makes debugging and support way too difficult. We store the actual enumeration value converted to string:
public enum Suit { Spade, Heart, Diamond, Club }
Suit theSuit = Suit.Heart;
szQuery = "INSERT INTO Customers (Name, Su...
Collapse sequences of white space into a single character and trim string
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Georg SchöllyGeorg Schölly
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How can I format a nullable DateTime with ToString()?
..."yyyy-MM-dd hh:mm:ss") : "n/a");
EDIT: As stated in other comments, check that there is a non-null value.
Update: as recommended in the comments, extension method:
public static string ToString(this DateTime? dt, string format)
=> dt == null ? "n/a" : ((DateTime)dt).ToString(format);
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