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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
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repset:SECONDARY> show tables;
#输出
Sun Dec 29 21:50:48.590 error: { "$err" : "not master and slaveOk=false", "code" : 13435 } at src/mongo/shell/query.js:128
#mongodb默认是从主节点读写数据的，副本节点上不允许读，需要设置副本节点可以读。
repset:S...
Parsing command-line arguments in C?
..._MODE, WORD_MODE, LINE_MODE } mode;
bool isCaseInsensitive;
};
static error_t parse_opt(int key, char *arg, struct argp_state *state) {
struct arguments *arguments = state->input;
switch (key) {
case 'l': arguments->mode = LINE_MODE; break;
case 'w': arguments->mode = W...
Why is using onClick() in HTML a bad practice?
...doSomething() an element's onClick action in your HTML page, you'll get an error.
If, on the other hand, you create an eventListener for that element within that IIFE and call doSomething() when the listener detects a click event, you're good because the listener and doSomething() share the IIFE's ...
What is the proper way to re-throw an exception in C#? [duplicate]
...ew Exception ("Put more context here", ex)
}
This preserves the original error, but allows you to put more context, such as an object ID, a connection string, stuff like that. Often my exception reporting tool will have 5 chained exceptions to report, each reporting more detail.
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What is the difference between exit() and abort()?
...nce between exit() and abort() ? I am trying to end my program after an error (not an exception).
5 Answers
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What is the closest thing Windows has to fork()?
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Note that most of the error checking is missing - e.g. ZwCreateThread returns an NTSTATUS value which can be checked using the SUCCEEDED and FAILED macros.
– BCran
Oct 11 '13 at 9:27
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How do I set cell value to Date and apply default Excel date format?
... format for mm/dd/yyyy. When I use any other format, the excel displays an error File error, some number formats may have been lost, it does display Date type in excel. I have no clue how this can be fixed.
– Akash
May 30 '17 at 9:46
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What is the difference between C, C99, ANSI C and GNU C?
...ograms according to the C standard, you should type gcc -std=c99 -pedantic-errors. Replace c99 with c11 if your GCC version supports it.
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What happens to global and static variables in a shared library when it is dynamically linked?
...al variables defined in other modules. This means that you will get linker errors if you try, for example, to create an executable that is supposed to use an extern variable defined in a DLL, because this is not allowed. You would need to provide an object file (or static library) with a definition ...
How to backup a local Git repository?
...ng up to bundle #{bundle_name.inspect}"
# git bundle will print it's own error messages if it fails
`git bundle create #{bundle_name.inspect} --all --remotes`
end # def git_backup
# helper function to call git config to retrieve a boolean setting
def git_config_bool( option, default_value )
...