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How to Generate unique file names in C#
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If readability doesn't matter, use GUIDs.
E.g.:
var myUniqueFileName = string.Format(@"{0}.txt", Guid.NewGuid());
or shorter:
var myUniqueFileName = $@"{Guid.NewGuid()}.txt";
In my programs, I sometimes try e.g. 10 times to generate a readable name ("Image1.png"…"Image1...
Does Firefox support position: relative on table elements?
...CSS, and JavaScript explained.
http://jsfiddle.net/mrbinky3000/MfWuV/33/
My jsfiddle example above uses "Responsive Web Design" techniques just to show that it will work with a responsive layout. However, your code doesn't have to be responsive.
Here is the JavaScript below, but it won't make ...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
... the delimiter string:
SELECT company_id, string_agg(employee, ', ')
FROM mytable
GROUP BY company_id;
Postgres 9.0 also added the ability to specify an ORDER BY clause in any aggregate expression; otherwise, the order is undefined. So you can now write:
SELECT company_id, string_agg(employee, '...
Server.UrlEncode vs. HttpUtility.UrlEncode
... // escape special characters yourself
But my personal favorite has got to be HttpUtility.UrlPathEncode - this thing is really incomprehensible. It encodes:
" " ==> "%20"
"100% true" ==> "100%%20true" (ok, your url is broken now)
"test A.aspx#anchor B" ==>...
Does JavaScript have a built in stringbuilder class?
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Yes, it was what I actually meant. Pardon my English ;-) I added results of a comparison how fast which method works in two browsers. You can see, it is different.
– naivists
Jan 19 '10 at 7:33
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Size-limited queue that holds last N elements in Java
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Composition is a poor choice for my task here: it means at least twice the number of objects => at least twice more often garbage collection. I use large quantities (tens of millions) of these limited-size queues, like that: Map<Long, LimitedSizeQueue&...
Ignore with CSS?
...5 August
to
Monday05 August
as I had verified while I tried to format my weekly event calendar. A space after "Monday" is preferred to be inserted. This can be done easily by inserting the following in the CSS:
br {
content: ' '
}
br:after {
content: ' '
}
This will make
Monday<...
$location / switching between html5 and hashbang mode / link rewriting
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I wanted to be able to access my application with the HTML5 mode and a fixed token and then switch to the hashbang method (to keep the token so the user can refresh his page).
URL for accessing my app:
http://myapp.com/amazing_url?token=super_token
The...
How to join two JavaScript Objects, without using JQUERY [duplicate]
...ally part of the object you are iterating over.
Update 2:
I updated my answer and added the solution number 4, which is a new JavaScript feature but not completely standardized yet. I am using it with Babeljs which is a compiler for writing next generation JavaScript.
Update 3:
I added the...
How can I get a count of the total number of digits in a number?
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@Puterdo Borato: my performance test actually showed that your method is faster when the number of digits are < 5. Pass that, Steve's Math.floor is faster.
– stack247
Apr 7 '15 at 22:56
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