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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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Practical usage of setjmp and longjmp in C
Can anyone explain me where exactly setjmp() and longjmp() functions can be used practically in embedded programming? I know that these are for error handling. But I'd like to know some use cases.
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What's the difference between identifying and non-identifying relationships?
...t been able to fully grasp the differences. Can you describe both concepts and use real world examples?
15 Answers
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How to set HTTP headers (for cache-control)?
...ive CACHE-CONTROL:NO-CACHE indicates cached information should not be used
and instead requests should be forwarded to the origin server. This directive has the same semantics as the PRAGMA:NO-CACHE.
Clients SHOULD include both PRAGMA: NO-CACHE and CACHE-CONTROL: NO-CACHE when a no-cache request is...
ETag vs Header Expires
...d around but haven't been able to figure out if I should use both an ETag and an Expires Header or one or the other.
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How to change the CHARACTER SET (and COLLATION) throughout a database?
... table (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character.
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Warning - Build path specifies execution environment J2SE-1.4
...er you do [Alt][F5] to update maven config all such manual tweaks get lots and the warning comes back. See bugs.eclipse.org/bugs/show_bug.cgi?id=376619
– Jörg
Oct 31 '16 at 16:22
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Calculating moving average
... R not containing future values of given timestamp? I checked forecast::ma and it contains all neighbourhood, not right.
– hhh
Sep 7 '18 at 20:52
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NULL values inside NOT IN clause
...t I thought were identical queries one using a not in where constraint and the other a left join . The table in the not in constraint had one null value (bad data) which caused that query to return a count of 0 records. I sort of understand why but I could use some help fully grasping the con...
How to remove element from an array in JavaScript?
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And the follow-on question: arr.splice(1,1) for the second element.
– slebetman
Jan 5 '10 at 2:42
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