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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
..._ev = bufferevent_new(client_fd, buffer_on_read, buffer_on_write,buffer_on_error, client);
client->total_len = 0;
client->cur_size = 0;
client->data = NULL;
bufferevent_enable(client->buf_ev, EV_READ|EV_WRITE);
}
void buffer_on_read(struct bufferevent *ev_buf, void *opqaue)
...
Why does Google prepend while(1); to their JSON responses?
...t without any processing, resulting in either an infinite loop or a syntax error.
This does not address the issue of cross-site request forgery.
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Deleting folders in python recursively
...t point to a directory (but not a symbolic link to a directory). If ignore_errors is true, errors resulting from failed removals will be ignored; if false or omitted, such errors are handled by calling a handler specified by onerror or, if that is omitted, they raise an exception."
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Difference between “or” and || in Ruby? [duplicate]
...o_this or do_that idiom, where do_this returns false or nil if there is an error and only then is do_that executed instead. (Analogous, there is also the do_this and then_do_that idiom.)
Examples:
download_file_via_fast_connection or download_via_slow_connection
download_latest_currency_rates and ...
Are there strongly-typed collections in Objective-C?
...ion of type 'NSString *'
And in Swift code, they will produce a compiler error:
var str: String = arr[0]
var num: Int = arr[0] //Error 'String' is not convertible to 'Int'
Lightweight Generics are intended to be used with NSArray, NSDictionary and NSSet, but you can also add them to your own cl...
Passing an array to a query using a WHERE clause
... must be at least one value inside the parenthesis or MySQL will return an error; this equates to making sure that our input array has at least one value. To help prevent against SQL injection attacks, first generate a ? for each input item to create a parameterized query. Here I assume that the arr...
Semicolon before self-invoking function? [duplicate]
...nExpression)()
In my case it isn't about "safety" or trying to "catch an error" (honestly, if your style is to use semi-colons and you forget a semi-colon, then you've already created the error elsewhere and writing a ; at the start for "safety" is hogwash). No; in my case it is done for consisten...
How to get Ruby / Homebrew / RVM to work on Yosemite?
...
This error can easily be fixed in the following steps:
1) Open terminal
2) Type nano /usr/local/Library/brew.rb
3) In the first line change “1.8″ to “Current”, so it should look like this:
#!/System/Library/Frameworks/...
Compare floats in php
...ause it looks small, this comparison will return true in alot of precision errors when the numbers are small. A correct way would be to check if the relative error is smaller than the epsilon. abs($a-$b) > abs(($a-$b)/$b)
– Piet Bijl
Jun 21 '13 at 13:18
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Re-raise exception with a different type and message, preserving existing information
...hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly, if needed. But many of the exceptions raised from the mod...