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When is TCP option SO_LINGER (0) required?
...
The typical reason to set a SO_LINGER timeout of zero is to avoid large numbers of connections sitting in the TIME_WAIT state, tying up all the available resources on a server.
When a TCP connection is closed cleanly, the end that initiated the close ("a...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...compressor:
module.exports = function(grunt) {
var exec = require('child_process').exec;
grunt.registerTask('cssmin', function() {
var cmd = 'java -jar -Xss2048k '
+ __dirname + '/../yuicompressor-2.4.7.jar --type css '
+ grunt.template.process('/css/style.css') + ' -o '
...
Java - No enclosing instance of type Foo is accessible
...nt where it is declared.
Let`s try to see the above concepts practically_
public class MyInnerClass {
public static void main(String args[]) throws InterruptedException {
// direct access to inner class method
new MyInnerClass.StaticInnerClass().staticInnerClassMethod();
// static ...
Customizing the template within a Directive
...this within a directive's link property: $compile(htmlText)(scope,function(_el){ element.replaceWith(_el); }); in order for the form's controller to recognize its newly formed existence and include it in validation. I could not get it to work in a directive's compile property.
...
What are all the user accounts for IIS/ASP.NET and how do they differ?
... and setting up IIS. So here goes....
To cover the identities listed:
IIS_IUSRS:
This is analogous to the old IIS6 IIS_WPG group. It's a built-in group with it's security configured such that any member of this group can act as an application pool identity.
IUSR:
This account is analogous to th...
Adding 'serial' to existing column in Postgres
... b text);
INSERT INTO foo (a, b) SELECT i, 'foo ' || i::text FROM generate_series(1, 5) i;
INSERT INTO bar (b) SELECT 'bar ' || i::text FROM generate_series(1, 5) i;
-- blocks of commands to turn foo into bar
CREATE SEQUENCE foo_a_seq;
ALTER TABLE foo ALTER COLUMN a SET DEFAULT nextval('foo_a_seq'...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...ticDimension
}
// number of rows in table view
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.animals.count
}
// create a cell for each table view row
func tableView(_ tableView: UITableView, cellForRowAt indexPa...
Does Java 8 provide a good way to repeat a value or function?
...be inlined well.
Here's the code:
public static final int LIMIT = 500_000_000;
public static final long VALUE = 3L;
public long range() {
return
LongStream.range(0, LIMIT)
.parallel()
.map(i -> VALUE)
.map(i -> ...
How to save/restore serializable object to/from file?
...ileStream(path, FileMode.Open)) //double check that...
{
XmlSerializer _xSer = new XmlSerializer(typeof(SomeClass));
var myObject = _xSer.Deserialize(fs);
}
NOTE: This code hasn't been compiled, let alone run- there may be some errors. Also, this assumes completely out-of-the-box seriali...
When would I use Task.Yield()?
...equires some "long running" initialization, ie:
private async void button_Click(object sender, EventArgs e)
{
await Task.Yield(); // Make us async right away
var data = ExecuteFooOnUIThread(); // This will run on the UI thread at some point later
await UseDataAsync(data);
}
...