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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
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For this case, where you want to get a Control of a Form and are receiving this error, then I have a little bypass for you.
Go to your Program.cs and change
Application.Run(new Form1());
to
public static Form1 form1 = new Form1(); // Place this var out of the constructor
Appli...
Scalar vs. primitive data type - are they the same thing?
...ticles I have read, there are sometimes references to primitive data types and sometimes there are references to scalars.
7...
MySQL: Enable LOAD DATA LOCAL INFILE
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From the MySQL 5.5 manual page:
LOCAL works only if your server and your client both have been
configured to permit it. For example, if mysqld was started with
--local-infile=0, LOCAL does not work. See Section 6.1.6, “Security Issues with LOAD DATA LOCAL”.
You should set the op...
How to loop through all but the last item of a list?
... have asked another question in the first, does not mean that his question and this answer are not very useful to others. +1
– Prof. Falken
Sep 19 '12 at 7:38
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Selenium WebDriver: Wait for complex page with JavaScript to load
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If anyone actually knew a general and always-applicable answer, it would have been implemented everywhere ages ago and would make our lives SO much easier.
There are many things you can do, but every single one of them has a problem:
As Ashwin Prabhu said,...
Getting an object from an NSSet
...containsObject to test for membership, use anyObject to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't care about order, and want fast membership testing.
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UIScrollView not scrolling
...uch longer that the UIScrollView , but when I run the app, I cannot click and scroll down...
24 Answers
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List of ANSI color escape sequences
...s a series of semicolon-separated parameters.
To say, make text red, bold, and underlined (we'll discuss many other options below) in C you might write:
printf("\033[31;1;4mHello\033[0m");
In C++ you'd use
std::cout<<"\033[31;1;4mHello\033[0m";
In Python3 you'd use
print("\033[31;1;4mHello\0...
SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
...OCONFIRMATION 0x0010 // 不对用户显示提示
FOF_WANTMAPPINGHANDLE 0x0020 // 填充 hNameMappings 字段，必须使用 SHFreeNameMappings 释放
FOF_ALLOWUNDO 0x0040 // 允许撤销
FOF_FILESONLY 0x0080 // 使用 *.* 时, 只对文件操作
FOF_SI...
What's the reason I can't create generic array types in Java?
...ve an array of runtime type T[]. It has an array of runtime type Object[], and either 1) the source code contains a variable of Object[] (this is how it is in the latest Oracle Java source); or 2) the source code contains a variable of type T[], which is a lie, but doesn't cause problems due to T be...