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Redis strings vs Redis hashes to represent JSON: efficiency?
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It depends on how you access the data:
Go for Option 1:
If you use most of the fields on most of your accesses.
If there is variance on possible keys
Go for Option 2:
If you use just single fields on most of your accesses.
If you always know which fields are available...
How do SO_REUSEADDR and SO_REUSEPORT differ?
The man pages and programmer documentations for the socket options SO_REUSEADDR and SO_REUSEPORT are different for different operating systems and often highly confusing. Some operating systems don't even have the option SO_REUSEPORT . The WEB is full of contradicting information regarding th...
Check if a class is derived from a generic class
...;& j == 0) { j=0; } Am I getting my reference equals and value equals mixed up? I thought there was only one instance of each Type in memory, so two variables that point to the same type are in fact pointing to the same location in memory.
– Michael Blackburn
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HTML5 check if audio is playing?
What's the javascript api for checking if an html5 audio element is currently playing?
9 Answers
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Why can't I initialize non-const static member or static array in class?
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I think it's to prevent you from mixing declarations and definitions. (Think about the problems that could occur if you include the file in multiple places.)
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libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
...ient端socket流程:socket(),connect()，返回连接的sockfd
int create_io_channel(const char *ipaddr, int port);
2. 搭建TCP Server
下面以伪代码方式给出，错误处理省略
int main(int argc, char *argv[])
{
// 初始化
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// event初始化
event_init();
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Cannot delete directory with Directory.Delete(path, true)
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Editor's note: Although this answer contains some useful information, it is factually incorrect about the workings of Directory.Delete. Please read the comments for this answer, and other answers to this question.
I ran into this problem before.
The root of the problem is that this fun...
How to deselect a selected UITableView cell?
... There is a didDeselectRowAtIndexPath to use to deselect the previous one.
– huggie
Apr 23 '14 at 4:42
3
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Embedding Base64 Images
Purely out of curiosity, which browsers does Base64 image embedding work in? What I'm referring to is this .
3 Answers
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Turn off textarea resizing
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Instead of just linking to a solution, you should explain it a little here. A lot of other people looking at this question in the future won't be bothered to click a link for an answer. Add some detail here and I'll +1 your answer.
– Jon...