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Create a table without a header in Markdown

...command line written in Haskell (supports header-less tables via its simple_tables and multiline_tables extensions) Flexmark: A parser in Java. CSS solution If you're able to change the CSS of the HTML output you can however leverage the :empty pseudo class to hide an empty header and make it loo...
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Is the practice of returning a C++ reference variable evil?

...he function, use a smart pointer (or in general, a container): std::unique_ptr<int> getInt() { return std::make_unique<int>(0); } And now the client stores a smart pointer: std::unique_ptr<int> x = getInt(); References are also okay for accessing things where you know the...
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How to fix “containing working copy admin area is missing” in SVN?

... fwiw, I had a similar situation and used svn --force delete __dir__. That solved the issue for me. Then i continued working with my working copy as normal. share | improve this answer...
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

...+ b[k]) for k in set(b) & set(a)]) or even more generic: def combine_dicts(a, b, op=operator.add): return dict(a.items() + b.items() + [(k, op(a[k], b[k])) for k in set(b) & set(a)]) For example: >>> a = {'a': 2, 'b':3, 'c':4} >>> b = {'a': 5, 'c':6, 'x':7...
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Managing constructors with many parameters in Java

...er the following example public class StudentBuilder { private String _name; private int _age = 14; // this has a default private String _motto = ""; // most students don't have one public StudentBuilder() { } public Student buildStudent() { return new Student...
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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...

...器。到了机器后再按照天或者半天分表,比如表名为 weibo_2013020101 、weibo_2013020112。weibo_2013020101表示2月1日上午一个表,weibo_2013020112表示2月1日下午一个表。光这样分了还是不够,1000w/2=500w,经不起压力扩展。我们还需要把表再...
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How to list variables declared in script in bash?

...t using temporary files: VARS="`set -o posix ; set`"; source script; SCRIPT_VARS="`grep -vFe "$VARS" <<<"$(set -o posix ; set)" | grep -v ^VARS=`"; unset VARS; . This will also output the vars in a ready-to-save format. The list will include the variables that the script changed (it depends...
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Restoring MySQL database from physical files

... a single tablespace *, which by default consist of the 3 files ibdata1, ib_logfile0, and ib_logfile1. for restoring a database, you would also need those files. * per-table tablespaces are possible, but not default – ax. Aug 21 '09 at 18:18 ...
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IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath

... This error happend to me after i've updated my JDK version to jdk1.8.0_161 - But the project's sdk was still pointing to the old jdk 1.8.0_131 (Seems that updgrading java causing the previous version to be wiped). Do this: In the IntelliJ IDE go to File > Project Structure, from there: ...
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Is it Linq or Lambda?

... This is LINQ (using query syntax): var _Results = from item in _List where item.Value == 1 select item; This is also LINQ (using method syntax): var _Results = _List.Where(x => x.Value == 1); It's interesting to note that bo...