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How to check if a string is a valid hex color representation?
...xactly 6 characters, it will match exactly 3 characters, but 1 or 2 times. Allowing ABC and AABBCC, but not ABCD
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Track the time a command takes in UNIX/LINUX?
...ts the Gnu time command, but time is a builtin in bash, which doesn't have all the options documented there.
– Ben Crowell
Jun 17 '17 at 15:27
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How to Truncate a string in PHP to the word closest to a certain number of characters?
...ars, but the result would be cutting off in the middle of words-- what I really want is to chop the text at the end of the last word before 200 chars.
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Setting table column width
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Actually you only need to specify width of the two columns. The third one will be calculated automatically, so table{table-layout:fixed};.from,.date{width:15%} is enough. Unless the classes are used on other elements too, writing...
JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
...tring)
null
undefined
NaN (a special Number value meaning Not-a-Number!)
All other values are truthy, including "0" (zero in quotes), "false" (false in quotes), empty functions, empty arrays, and empty objects.
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Java Delegates?
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Not really, no.
You may be able to achieve the same effect by using reflection to get Method objects you can then invoke, and the other way is to create an interface with a single 'invoke' or 'execute' method, and then instantiate...
How to efficiently build a tree from a flat structure?
... objects in a hash table mapping to the specific object. Enumerate through all the objects and find their parent if it exists and update its parent pointer accordingly.
class MyObject
{ // The actual object
public int ParentID { get; set; }
public int ID { get; set; }
}
class Node
{
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Calling a parent window function from an iframe
I want to call a parent window JavaScript function from an iframe.
10 Answers
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How to toggle a boolean?
Is there a really easy way to toggle a boolean value in javascript ?
6 Answers
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Import CSV file into SQL Server
...was everything I'm looking for: I don't seem to be able to configure it at all!
– Auspex
May 14 '19 at 15:58
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