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Combine two ActiveRecord::Relation objects
...lation.or(last_name_relation)
† Only in ActiveRecord 5+; for 4.2 install the where-or backport.
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Is there a way to tell git to only include certain files instead of ignoring certain files?
My programs generally generate huge output files (~1 GB) which I do not want to be backing up to the git repository. So instead of being able to do
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How to find the array index with a value?
...code marked as the correct answer but it seems that that code wont work in all versions of IE. This answer works in all versions of IE but I changed the code slightly: var arrayPosition = $.inArray( value, Array ); works perfectly
– James Blackburn
Dec 13 '13 ...
Error 908: Permission Receive SMS - #5 by Taifun - MIT App Inventor Help - MIT App Inventor Community
...in points from that thread here
Google Play Store policy requires that all apps declaring the ability to send text and make phone calls directly without user intervention, or to receive texts and phone calls, require a manual review by Google staff. The MIT App Inventor Companion was one such ...
Using javadoc for Python documentation [closed]
... from the Napolean documentation linked above.
A comprehensive example on all types of docstrings here.
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Primary key or Unique index?
...ork we have a big database with unique indexes instead of primary keys and all works fine.
15 Answers
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Is null check needed before calling instanceof?
...ype without raising a ClassCastException. Otherwise the result is false.
API / Class#isInstance(Object)
If this Class object represents an interface, this method returns true if the class or any superclass of the specified Object argument implements this interface; it returns false otherwise. ...
mfc 按钮变成了非xp风格、界面变成windows经典样式？ - C++ UI - 清泛IT社...
...格 xp风格
stdafx.h中添加：
#ifdef _UNICODE
#if defined _M_IX86
#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='x86' publicKeyToken='6595b64144ccf1df' langu...
What is a void pointer in C++? [duplicate]
... pointer to storage that contains an object of a known type. However, that API is used to deal with objects of a wide variety of types, so the exact type that a particular call returns cannot be known at compile time. Therefore, there will be some documentation explaining when it stores which kinds ...
Entity Framework DateTime and UTC
...y Framework (I am using the Code First Approach with CTP5 currently) store all DateTime values as UTC in the database?
13 A...