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Under what conditions is a JSESSIONID created?
...s created/sent when session is created. Session is created when your code calls request.getSession() or request.getSession(true) for the first time. If you just want to get the session, but not create it if it doesn't exist, use request.getSession(false) -- this will return you a session or null. In...
Php multiple delimiters in explode
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You can take the first string, replace all the @ with vs using str_replace, then explode on vs or vice versa.
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CSS center display inline block?
...me as I need a child element with display: inline-block to be both horizontally and vertically centered within a 100% width parent.
I used Flexbox's justify-content and align-items properties, which respectively allow you to center elements horizontally and vertically. By setting both to center on...
REST HTTP status codes for failed validation or invalid duplicate
...of issue. The only other alternative is 422 Unprocessable Entity. It actually comes from WebDav but it is perfectly valid to reuse any status code that has been registered with IANA.
– Darrel Miller
Jul 20 '10 at 19:38
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MySQL: Can't create table (errno: 150)
... child table InnoDB engine. Current create.sql script was using InnoDB for all tables, but I had very very old installation where first script used MyISAM.
– Whome
Apr 8 '13 at 9:50
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Can I grep only the first n lines of a file?
... Is there a way to do this when using grep's -l option? I'd like to list all the files who's first 5 characters are RIFFD.
– James M. Lay
May 23 '17 at 19:20
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How to find SQL Server running port?
... -n" (from an elevated command prompt) and you don't see "sqlservr.exe" at all then either your SQL Server service is not running or its TCP/IP network library is disabled.
Run SQL Server Configuration Manager (Start | All Programs | Microsoft SQL Server 2008 | Configuration Tools).
Navigate to SQ...
How do I escape a single quote ( ' ) in JavaScript? [duplicate]
... "onmouseover" attribute is just change(, and there's another "attribute" called ex1')' with no value.
The truth is, HTML does not use \ for an escape character. But it does recognise " and ' as escaped quote and apostrophe, respectively.
Armed with this knowledge, use this:
doc...
Colors in JavaScript console
...est: background: #444; color: #bada55; padding: 2px; border-radius:2px its all about the border-radius
– Nick Sotiros
Apr 30 '14 at 7:08
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Is there an R function for finding the index of an element in a vector?
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@John : that's all true, but that is not what the OP asked. The OP asked, starting from a long vector, to find the first match of elements given in another one. And for completeness, I added that if you are interested in all indices, you'll...