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Storing Images in DB - Yea or Nay?
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Re: "super-accelerating" products: Most web servers can now take advantage of the sendfile() system call to deliver static files asynchronously to the client. It offloads to the operating system the task of moving the file from disk to the network interface. Th...
grant remote access of MySQL database from any IP address
... The trick when connecting to a db instance running on the same OS instance (e.g. your development machine), is to pass in the -h my_machine_name parameter. This tricks the client to identify you as 'user'@my_machine_name.example.com, rather than 'user'@localhost. This way you don't nee...
ASP.NET Temporary files cleanup
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Just an update on more current OS's (Vista, Win7, etc.) - the temp file path has changed may be different based on several variables. The items below are not definitive, however, they are a few I have encountered:
"temp" environment variable setting - th...
Exception messages in English?
...eptions, this happens at the time the Message property is accessed.
For those exceptions, you can obtain the full US English version of the message by briefly switching the thread locale to en-US while logging it (saving the original user locale beforehand and restoring it immediately afterwards).
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Android: Getting a file URI from a content URI?
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Check the scheme of the URI returned to you from the chooser activity. If if uri.getScheme.equals("content"), open it with a content resolver. If the uri.Scheme.equals("file"), open it using normal file methods. Either way, you'll end up with an InputStream that you can process us...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
...ed somewhere in the Objective-C runtime (the internals of the runtime are mostly hidden from the application and exposed only through a few API functions). Each class object (e.g. [NSArray class]) is actually a struct. The struct contains a lot of information about the class, including its name, the...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
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Notice how the output of
SHOW GRANTS FOR 'root'@'localhost';
did not say 'ALL PRIVILEGES' but had to spell out what root@localhost has.
GRANT ALL PRIVILEGES will fail, because a user can not grant what he/she does not have,
and the server seem to think something is not here .....
How to find out which processes are using swap space in Linux?
... problem as pointed out in the comments. From the htop FAQ:
It is not possible to get the exact size of used swap space of a
process. Top fakes this information by making SWAP = VIRT - RES, but
that is not a good metric, because other stuff such as video memory
counts on VIRT as well (for ...
How to generate a core dump in Linux on a segmentation fault?
... -SEGV as that will often invoke a signal handler making it harder to diagnose the stuck process
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Firefox Web Console Disabled?
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@BorisZbarsky the Firebug clause is almost an answer in itself. Could you include it in the answer proper?
– Barney
Mar 24 '14 at 9:55
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