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What are the differences between Autotools, Cmake and Scons?
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In truth, Autotools' only real 'saving grace' is that it is what all the GNU projects are largely using.
Issues with Autotools:
Truly ARCANE m4 macro syntax combined with verbose, twisted shell scripting for tests for "compatibility", etc.
If you're not paying attention, you will mess u...
Find value in an array
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I would use Array#index, but checking the Ruby Array API is a great tip.
– Wylliam Judd
Oct 15 '16 at 0:21
add a comme...
Can I set subject/content of email using mailto:?
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Yes, look all tips and tricks with mailto: http://www.angelfire.com/dc/html-webmaster/mailto.htm
mailto subject example:
<a href="mailto:no-one@snai1mai1.com?subject=free chocolate">example</a>
mailto with cont...
Copy tables from one database to another in SQL Server
...to move the table definition (and other attributes such as permissions and indexes), you'll have to do something else.
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c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
...ng time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys ca...
How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...yUnique = function(a) {
return a.reduce(function(p, c) {
if (p.indexOf(c) < 0) p.push(c);
return p;
}, []);
};
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SQL server query to get the list of columns in a table along with Data types, NOT NULL, and PRIMARY
... sys.types t ON c.user_type_id = t.user_type_id
LEFT OUTER JOIN
sys.index_columns ic ON ic.object_id = c.object_id AND ic.column_id = c.column_id
LEFT OUTER JOIN
sys.indexes i ON ic.object_id = i.object_id AND ic.index_id = i.index_id
WHERE
c.object_id = OBJECT_ID('YourTableName')
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How do I do an OR filter in a Django query?
... More specifically query sets tend to hit the DB only when you try to index into them, otherwise you're just building a query.
– awiebe
Jul 7 '18 at 22:50
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Find out what process registered a global hotkey? (Windows API)
...is compilable in Delphi 2007 with a couple of tweaks.
It's a DLL with a call to SetWindowsHookEx that passes through a callback function, which can then intercept key strokes: In this case, it's tinkering with them for fun, changing left cursor to right, etc. A simple app then calls the DLL and re...
How do I remove objects from a JavaScript associative array?
...sOwnProperty('lastName') // false
Note that when delete is applied to an index property of an Array, you will create a sparsely populated array (ie. an array with a missing index).
When working with instances of Array, if you do not want to create a sparsely populated array - and you usually don'...