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Maven: best way of linking custom external JAR to my project?
...mpile.
If you are starting with maven I suggest to use maven directly not IDE plugins as it adds an extra layer of complexity.
As for the error, do you put the required jars on your classpath? If you are using types from the library, you need to have access to it in the runtime as well. This has n...
Any difference between First Class Function and High Order Function
... functions
Values in a language that are handled uniformly throughout are called "first class". They may be stored in data structures, passed as arguments, or used in control structures.
Languages which support values with function types, and treat them the same as non-function values, can be said...
Equivalent of varchar(max) in MySQL?
...f your column is null/not null this gets stored as one bit in a byte/bytes called the null mask, 1 bit per column that is nullable.
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Proper way to initialize a C# dictionary with values?
... simple .NET 4.0 console application:
static class Program
{
static void Main(string[] args)
{
var myDict = new Dictionary<string, string>
{
{ "key1", "value1" },
{ "key2", "value2" }
};
Console.ReadKey();
}
}
Can you try ...
Explain the concept of a stack frame in a nutshell
It seems that I get the idea of call stack in programming language design. But I cannot find (probably, I just don't search hard enough) any decent explanation of what stack frame is.
...
StatusbarTools 扩展 - 状态栏自定义工具 · App Inventor 2 中文网
...
when Screen1.Initialize
do
// 设置状态栏为蓝色背景
call StatusbarTools1.SetBackgroundColor "#2196F3"
// 设置图标为白色
call StatusbarTools1.SetIconColor "Light"
透明状态栏
when Button1.Click
do
// 启用透明背景
call S...
In MySQL queries, why use join instead of where?
... in the WHERE clause
SELECT *
FROM TABLE_A a,
TABLE_B b
WHERE a.id = b.id
Here's the query re-written using ANSI-92 JOIN syntax:
SELECT *
FROM TABLE_A a
JOIN TABLE_B b ON b.id = a.id
From a Performance Perspective:
Where supported (Oracle 9i+, PostgreSQL 7.2+, MySQL 3.23+, SQ...
Get selected value of a dropdown's item using jQuery
...gle select dom elements, to get the currently selected value:
$('#dropDownId').val();
To get the currently selected text:
$('#dropDownId :selected').text();
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What does iota of std::iota stand for?
...he Roman I, i; the smallest letter of the Greek alphabet” (smallest physically, not alphabetically, I presume), and also means “The least, or a very small, particle or quantity”. The OED's earliest known usage of this meaning is from Clavis mystica by Daniel Featley in 1636:
Shall we lose,...
How to get TimeZone from android mobile?
I want to get the time zone from the Android mobile when clicking a button.
12 Answers
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