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How do I call the default deserializer from a custom deserializer in Jackson
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The question uses readTree() but the answer does not. What is the advantage of this approach versus the one posted by Derek Cochran? Is there a way to make this work with readTree()?
– Gili
Nov 1 '18 at 21:51
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how perform grep operation on all files in a directory
...instead of *: grep $PATTERN *.cpp *.h. If you need more specific rules for what files should be grepped, use find command (check Rob's answer).
– umi
Nov 27 '16 at 13:22
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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
...cur_size = 0;
}
void buffer_on_error(struct bufferevent *ev_buf, short what, void *opqaue)
{
// 给出错误信息
pision_client *client = (pision_client*)opaque;
struct sockaddr_in client_addr;
socklen_t len = sizeof(client_addr);
if (getpeername(client->sock_fd, (stru...
Shall we always use [unowned self] inside closure in Swift
...e an article on this extending this answer (looking into SIL to understand what ARC does), check it out here.
Original answer
The previous answers don't really give straightforward rules on when to use one over the other and why, so let me add a few things.
The unowned or weak discussion boils down ...
Changing an element's ID with jQuery
...e whereas .prop retrieves the property that the attribute references (i.e. what you're actually intending to modify)
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server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
...by an institution/company that isn't in the list of your OS's list of CAs. What you have to do to circumvent the problem on your computer is telling it to trust that certificate - if you don't have any reason to be suspicious about it.
You need to check the web certificate used for your gitLab serv...
Why can't C++ be parsed with a LR(1) parser?
...g., knowledge of the type of x) must collect both in order to decide later what to do. Thus a grammar must allow this. And that makes the grammar ambiguous.
Thus pure LR parsing can't handle this. Nor can many other widely available parser generators, such as Antlr, JavaCC, YACC, or traditional B...
C# naming convention for constants?
... don't think there is right or wrong here; it comes down to preference and what makes the code clearer.
– usefulBee
Jun 22 '16 at 14:18
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Keep CMD open after BAT file executes
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This is exactly what I was looking for, because I'm running the bat file at startup, not through a CMD command. +1
– Hawkeye
Oct 28 '16 at 15:41
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How to check if a number is a power of 2
...0);
Well we already know that 4 != 0 evals to true, so far so good. But what about:
((4 & (4-1)) == 0)
This translates to this of course:
((4 & 3) == 0)
But what exactly is 4&3?
The binary representation of 4 is 100 and the binary representation of 3 is 011 (remember the & ...