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Do try/catch blocks hurt performance when exceptions are not thrown?
...atic cost is really
incurred in two kinds of places:
First, the actual sites of
try/finally/catch/throw where there's
code for those constructs. Second, in
unmanged code, there's the stealth
cost associated with keeping track of
all the objects that must be
destructed in the event th...
MySQL COUNT DISTINCT
...
Select
Count(Distinct user_id) As countUsers
, Count(site_id) As countVisits
, site_id As site
From cp_visits
Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
Group By site_id
share
|
...
CSS, Images, JS not loading in IIS
My all applications were working fine but suddenly all sites under IIS are not loading css, images, scripts. It redirect to login page.
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Exclude a directory from git diff
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Doesn't work for me. Are _ paths special? _site/* -diff
– Marius
Jul 25 '18 at 12:21
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What is a good regular expression to match a URL? [duplicate]
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For got to mention use this site gskinner.com/RegExr to test Regex and view common samples
– Daveo
Sep 28 '10 at 3:16
8
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.NET / C# - Convert char[] to string
...st 17 seconds. My answer just above is my 2nd high-est voted answer on the site. In fact I'm here now because someone just voted it again, almost 10 years later. And the two answers aren't really any different... but mine was posted 17 seconds faster, and that's meant a 500 vote difference :/
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Link and execute external JavaScript file hosted on GitHub
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I don't know who mantains this site rawgit, but don't use it in production. You would have an unknown third party that can inject any javascript in your site.
– neves
Oct 5 '17 at 18:58
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How long do browsers cache HTTP 301s?
... some minor browsers where it doesn't.
If you don't have control over the site where the previous redirect target went to, then you are out of luck. Try and beg the site owner to redirect back to you.
Prevention is better than cure - avoid a 301 redirect if you are not sure you want to permanent...
What is the difference between SessionState and ViewState?
...achine) with the server. It's a way to track what the user is doing on the site.. across multiple pages...amid the statelessness of the Web. e.g. the contents of a particular user's shopping cart is session data. Cookies can be used for session state.
View State on the other hand is information spec...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...ven though same-origin policy blocks scripts from accessing the content of sites with a different origin, if you own both the pages, you can work around this problem using window.postMessage and its relative message event to send messages between the two pages, like this:
In your main page:
const f...