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Check if table exists without using “select from”
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330
If you want to be correct, use INFORMATION_SCHEMA.
SELECT *
FROM information_schema.tables
W...
How do I toggle an element's class in pure JavaScript?
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edited May 30 '17 at 9:53
answered Apr 16 '14 at 9:40
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How do I remove duplicates from a C# array?
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437
You could possibly use a LINQ query to do this:
int[] s = { 1, 2, 3, 3, 4};
int[] q = s.Distin...
Scala: Abstract types vs generics
...g like this:
// Type parameter version
class MySuite extends FixtureSuite3[StringBuilder, ListBuffer, Stack] with MyHandyFixture {
// ...
}
Whereas with the type member approach it will look like this:
// Type member version
class MySuite extends FixtureSuite3 with MyHandyFixture {
// ....
How to select the first element in the dropdown using jquery?
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193
Try this out...
$('select option:first-child').attr("selected", "selected");
Another option w...
What does the “map” method do in Ruby?
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432
The map method takes an enumerable object and a block, and runs the block for each element, out...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...as quotes, special characters, token delimiters, and caret escapes.
Phase 3) Echo the parsed command(s) Only if the command block did not begin with @, and ECHO was ON at the start of the preceding step.
Phase 4) FOR %X variable expansion: Only if a FOR command is active and the commands after DO ...
What is the shortest function for reading a cookie by name in JavaScript?
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edited May 28 at 23:14
Kim Rydhof Thor Hansen
533 bronze badges
answered Aug 25 '14 at 16:42
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Benefits of using the conditional ?: (ternary) operator
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39
I always start out with a simple one and make it more complex over time until it is completely unreadable.
– Jouke va...
How to replace multiple substrings of a string?
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