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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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HTML for the Pause symbol in audio and video control
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I used this: ????.
– JoshuaD
May 3 '17 at 3:14
▮ is the real pause symbol in ...
小心！创业者不可不知的互联网家装惊天伪命题 - 资讯 - 清泛网 - 专注C/C++...
...不同装修风格进行解码，研发出不同的产品包；实时监控系统应用到装修现场，并通过云端处理系统进行传输，再加上与APP进行实时互联，用户只要通过APP便能够实时监控到整个装修过程，对于家装过程中出现的问题，用户没有...
Objective-C: Where to remove observer for NSNotification?
...dd a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against crashes due to the notification center notifying dead objects. It can...
Using sed and grep/egrep to search and replace
... reproduce this behaviour. what version of sed were you using and on which OS are you?
– David Schmitt
Nov 20 '11 at 19:46
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Real differences between “java -server” and “java -client”?
...ed for executing long-running server applications, which need the fastest possible operating speed more than a fast start-up time or smaller runtime memory footprint.
The Client VM compiler serves as an upgrade for both the Classic VM and the just-in-time (JIT) compilers used by previous versions of...