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How to position one element relative to another with jQuery?
... pos = $(this).position();
// .outerWidth() takes into account border and padding.
var width = $(this).outerWidth();
//show the menu directly over the placeholder
$("#menu").css({
position: "absolute",
top: pos.top + "px",
left: (pos.left + width) + "px"
...
Why does the C# compiler go mad on this nested LINQ query?
Try to compile following code and you'll find that compiler takes >3 GB of RAM (all free memory on my machine) and very long time to compile (actually I get IO exception after 10 minutes).
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What is the easiest way to initialize a std::vector with hardcoded elements?
I can create an array and initialize it like this:
29 Answers
29
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Under what conditions is a JSESSIONID created?
...ll return you a session or null. In this case, new session is not created, and JSESSIONID cookie is not sent. (This also means that session isn't necessarily created on first request... you and your code are in control when the session is created)
Sessions are per-context:
SRV.7.3 Session Scope...
How to change a nullable column to not nullable in a Rails migration?
I created a date column in a previous migration and set it to be nullable. Now I want to change it to be not nullable. How do I go about doing this assuming there are null rows in that database? I'm ok with setting those columns to Time.now if they're currently null.
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instanceof Vs getClass( )
I see gain in performance when using getClass() and == operator over instanceOf operator.
4 Answers
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How much size “Null” value takes in SQL Server
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However, a second bit, and a third bit, and all the way up to an eighth bit fit in the same byte.
– Matti Virkkunen
Sep 16 '10 at 22:29
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moment.js - UTC gives wrong date
...ded, the time defaults to midnight.
In your code, you create a local date and then convert it to the UTC timezone (in fact, it makes the moment instance switch to UTC mode), so when it is formatted, it is shifted (depending on your local time) forward or backwards.
If the local timezone is UTC+N (...
Is “double hashing” a password less secure than just hashing it once?
...s the time it takes for an attacker to try each password in their list of candidates. You can easily increase the time it takes to attack a password from hours to years.
Simple iteration is not enough
Merely chaining hash output to input isn't sufficient for security. The iteration should take pla...
Detach (move) subdirectory into separate Git repository
... Now I have found that one of the subdirectories is unrelated to the other and should be detached to a separate repository.
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