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Explanation of JSONB introduced by PostgreSQL
...ut text, it will
preserve semantically-insignificant white space between tokens, as
well as the order of keys within JSON objects. Also, if a JSON object
within the value contains the same key more than once, all the
key/value pairs are kept. (The processing functions consider the last
val...
How to construct a REST API that takes an array of id's for the resources
...
System.out.println("zrssIds = " + Ids);
//Here you need to use String tokenizer to make the array from the string.
}
Call the service by using following url.
http://localhost:8080/MyServices/resources/cm/data/xml/12,13,56,76
where
http://localhost:8080/[War File Name]/[Servlet Mapping]/[...
Java integer to byte array
...
using Java NIO's ByteBuffer is very simple:
byte[] bytes = ByteBuffer.allocate(4).putInt(1695609641).array();
for (byte b : bytes) {
System.out.format("0x%x ", b);
}
output:
0x65 0x10 0xf3 0x29
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When should you branch?
... task enough when the task isn't a complicated feature?" Sure. By the same token, when the task is complicated, one commit isn't enough (I commit every few minutes if things are going well). Why force one commit per task? • "Also bugs from folks can easily make their ways to the main branch" Actua...
How can I check whether an array is null / empty?
...won't be null.
e.g. int[] numbers = new int[3];
In this case, the space is allocated & each of the element has a default value of 0.
It will be null, when you don't new it up.
e.g.
int[] numbers = null; // changed as per @Joachim's suggestion.
if (numbers == null)
{
System.out.println("yes...
Assigning out/ref parameters in Moq
...t parameters such as:
public interface IParser
{
bool TryParse(string token, out int value);
}
.. with the following Moq setup:
[TestMethod]
public void ParserTest()
{
Mock<IParser> parserMock = new Mock<IParser>();
int outVal;
parserMock
...
Java - removing first character of a string
...u are actually creating a new string with all the overhead implied (memory allocation and garbage collection). So if you want to make a series of modifications to a string and care only about the final result (the intermediate strings will be dead as soon as you 'modify' them), it may make more sen...
Escaping quotes and double quotes
... were looking for?
The error PowerShell gave me referred to an unexpected token 'sort1', and that's how I determined where to put the backticks.
The @' ... '@ syntax is called a "here string" and will return exactly what is entered. You can also use them to populate variables in the following fash...
No secret option provided to Rack::Session::Cookie warning?
...::Cookie.
options[:secret] ||= Rails.application.config.secret_token
super
end
end
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How to draw border around a UILabel?
...BorderLabel
It's quite simple:
GSBorderLabel *myLabel = [[GSBorderLabel alloc] initWithTextColor:aColor
andBorderColor:anotherColor
andBorderWidth:2];
...