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Why can't I use switch statement on a String?
...nse, they are used as an index (after subtracting the lowest value) into a table of instruction pointers—the tableswitch instruction.
If the constants are sparse, a binary search for the correct case is performed—the lookupswitch instruction.
In de-sugaring a switch on String objects, both i...
How can I get the timezone name in JavaScript?
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@DanielCompton oh I didn't know about this table, thanks for correcting it again.
– CommonSenseCode
Sep 3 '18 at 7:34
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Difference between JOIN and INNER JOIN
...specify CROSS JOIN.
OR
For an inner join, the syntax is:
SELECT ...
FROM TableA
[INNER] JOIN TableB
(in other words, the "INNER" keyword is optional - results are the same
with or without it)
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When to use nil, blank, empty? [duplicate]
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Here I made this useful table with all the cases
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What data type to use for hashed password field and what length?
...cker gains access to your database, they'd have to construct their rainbow table based on that salt. And that's just as much work as simply guessing the password.
– Bill Karwin
Sep 16 '10 at 7:14
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How do I find out my MySQL URL, host, port and username?
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I am getting "ERROR 1146 (42S02): Table 'performance_schema.session_variables' doesn't exist"
– Mark A
Apr 6 '17 at 19:08
add a commen...
lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...a_State *L, int sz);
lua中定义的变量和函数存放在一个全局table中，索引值为LUA_GLOBALSINDEX ，table相关操作接口：
void (lua_gettable) (lua_State *L, int idx);
void (lua_getfield) (lua_State *L, int idx, const char *k);
void (lua_settable) (lua_State *L, int idx);...
Saving results with headers in Sql Server Management Studio
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Try the Export Wizard. In this example I select a whole table, but you can just as easily specify a query:
(you can also specify a query here)
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Setting element of array from Twig
...That will work only when keys are strings
What I did is recreate another table ( temp) from the initial table (t) and make the keys a string , for example :
{% for key , value in t%}
{% set temp= temp|merge({(key~'_'):value}) %}
{% endfor %}
t keys : 0 , 1 , 2 ..
temp keys : 0_, 1_ , 2_ ......
What's the difference between equal?, eql?, ===, and ==?
...programming languages, such as Ruby, provide a collection type called hash table. Hash tables are dictionary-like collections which store data in pairs, consisting of unique keys and their corresponding values. Under the hood, those keys are stored as hashcodes. Hash tables are commonly referred to ...