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memcpy() vs memmove()
I am trying to understand the difference between memcpy() and memmove() , and I have read the text that memcpy() doesn't take care of the overlapping source and destination whereas memmove() does.
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force Maven to copy dependencies into target/lib
How do I get my project's runtime dependencies copied into the target/lib folder?
15 Answers
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Get the time difference between two datetimes
I know I can do anything and some more envolving Dates with momentjs. But embarrassingly, I'm having a hard time trying to do something that seems simple: geting the difference between 2 times.
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What is a user agent stylesheet?
I'm working on a web page in Google Chrome. It displays correctly with the following styles.
13 Answers
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MISCONF Redis is configured to save RDB snapshots
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In case you encounter the error and some important data cannot be discarded on the running redis instance (problems with permissions for the rdb file or its directory incorrectly, or running out of disk space), you can always redirect the rdb file to be written s...
Removing event listener which was added with bind
... what @machineghost said was true, that events are added and removed the same way, the missing part of the equation was this:
A new function reference is created after .bind() is called!
See Does bind() change the function reference? | How to set permanently?
So, to add or remove it, assign t...
java.net.UnknownHostException: Invalid hostname for server: local
...the exception is really saying is that there is no known server with the name "local". My guess is that you're trying to connect to your local computer. Try with the hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6).
From the javadocs:
Thrown to indicate that the ...
get name of a variable or parameter [duplicate]
I would like to get the name of a variable or parameter:
3 Answers
3
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const char * const versus const char *?
I'm running through some example programs to refamiliarize myself with C++ and I have run into the following question. First, here is the example code:
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SQL SELECT WHERE field contains words
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Rather slow, but working method to include any of words:
SELECT * FROM mytable
WHERE column1 LIKE '%word1%'
OR column1 LIKE '%word2%'
OR column1 LIKE '%word3%'
If you need all words to be present, use this:
SELECT * FROM mytable
WHERE colum...