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Reading CSV files using C#
...ample code:
using (TextFieldParser parser = new TextFieldParser(@"c:\temp\test.csv"))
{
parser.TextFieldType = FieldType.Delimited;
parser.SetDelimiters(",");
while (!parser.EndOfData)
{
//Processing row
string[] fields = parser.ReadFields();
foreach (string...
Difference between == and ===
...Swift also provides two identity operators (=== and !==), which you use to test whether two object references both refer to the same object instance.
Excerpt From: Apple Inc. “The Swift Programming Language.” iBooks. https://itun.es/us/jEUH0.l
...
Check whether HTML element has scrollbars
What's the fastest way of checking whether an element has scroll bars?
11 Answers
11
...
MongoDB/NoSQL: Keeping Document Change History
...value: "This is the new body" }
],
tags: [
{ version: 1, value: [ "test", "trivial" ] },
{ version: 6, value: [ "foo", "test" ] }
],
comments: [
{
author: "joe", // Unversioned field
body: [
{ version: 3, value: "Something cool" }
]
},
{
au...
Spring Boot JPA - configuring auto reconnect
... the following to your application.properties up to 1.3
spring.datasource.testOnBorrow=true
spring.datasource.validationQuery=SELECT 1
As djxak noted in the comment, 1.4+ defines specific namespaces for the four connections pools Spring Boot supports: tomcat, hikari, dbcp, dbcp2 (dbcp is deprecat...
simple HTTP server in Java using only Java SE API
...erver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
public class Test {
public static void main(String[] args) throws Exception {
HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0);
server.createContext("/test", new MyHandler());
server.setEx...
How to Compare Flags in C#?
....NET 4 there is a new method Enum.HasFlag. This allows you to write:
if ( testItem.HasFlag( FlagTest.Flag1 ) )
{
// Do Stuff
}
which is much more readable, IMO.
The .NET source indicates that this performs the same logic as the accepted answer:
public Boolean HasFlag(Enum flag) {
if (!t...
Remove the last three characters from a string
...
string test = "abcdxxx";
test = test.Remove(test.Length - 3);
//output : abcd
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Relative URL to a different port number in a hyperlink?
....location.origin;
target.port = port[1];
}
}
}, false);
Tested in Firefox 4
Fiddle: http://jsfiddle.net/JtF39/79/
Update: Bug fixed for appending port to end of url and also added support for relative and absolute urls to be appended to the end:
<a href=":8080/test/blah"&g...
How to use Elasticsearch with MongoDB?
...ttachments/1.6.0
These two plugins aren't necessary but they're good for testing queries and visualizing changes to your indexes.
bin/plugin --install mobz/elasticsearch-head
bin/plugin --install lukas-vlcek/bigdesk
Restart Elasticsearch.
sudo service elasticsearch restart
Finally index a co...