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How to find out how many lines of code there are in an Xcode project?
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One last thing, I had to run span Moo as per error that appeared when running it for the 1st time so checkout for that one as well
– Golan Shay
Jan 6 at 16:58
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Sort a list by multiple attributes?
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edited Apr 24 '18 at 22:05
smci
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answered Nov...
Select unique or distinct values from a list in UNIX shell script
...s too.
– Mingye Wang
Dec 9 '15 at 5:05
I figured out that uniq seams to process only adjacent lines (at least by defau...
psql: FATAL: database “” does not exist
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In my case i wrote $ createdb -h localhost to solve the error could not connect to database postgres: could not connect to server. After that i may connect to postgresql console via psql -h localhost.
– ExiRe
Jan 9 '14 at 14:23
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...端的 DNS 名称被拒绝。
403.9 禁止访问：太多客户端试图连接到 Web 服务器。
403.10 禁止访问：Web 服务器配置为拒绝执行访问。
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403.12 禁止访问：服务器证书映射器拒绝了客户端证书访问。
403.1...
Practical usage of setjmp and longjmp in C
...can be used practically in embedded programming? I know that these are for error handling. But I'd like to know some use cases.
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An example of how to use getopts in bash
...f expected arguments,
h - check for option -h without parameters; gives error on unsupported options;
h: - check for option -h with parameter; gives errors on unsupported options;
abc - check for options -a, -b, -c; gives errors on unsupported options;
:abc - check for options -a, -b, -c; silence...
Received fatal alert: handshake_failure through SSLHandshakeException
...but without any luck, because I have as a result from server the following error:
19 Answers
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Best way to select random rows PostgreSQL
...ll:
SELECT * FROM f_random_sample();
SELECT * FROM f_random_sample(500, 1.05);
You could even make this generic to work for any table: Take the name of the PK column and the table as polymorphic type and use EXECUTE ... But that's beyond the scope of this question. See:
Refactor a PL/pgSQL func...
Python Dictionary Comprehension
...y:'your value here' for key in old_dict.keys()}
You're receiving a SyntaxError because when you write
d = {}
d[i for i in range(1, 11)] = True
you're basically saying: "Set my key 'i for i in range(1, 11)' to True" and "i for i in range(1, 11)" is not a valid key, it's just a syntax err...