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Why does C# allow {} code blocks without a preceding statement?
...
In the context you give, there is no significance. Writing a constant string to the console is going to work the same way anywhere in program flow.1
Instead, you typically use them to restrict the scope of some local variables. This is further elaborated here and here. Look at João Angelo’s...
Ignore Xcode warnings when using Cocoapods
...nhibit_all_warnings I still had the 'characters' is deprecated: Please use String or Substring directly warning in Pods. This setting removed this warning.
– Tiois
Dec 15 '17 at 15:05
...
JavaScript hard refresh of current page
...through all the a, link, script and img elements and append a random query string to the end of each external reference after the hard reload. Or, do that on the server.
– Doug Neiner
Jan 20 '10 at 5:39
...
Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...mplements Runnable {
private int c = 0;
public static void main(String[] args) {
new SynchTest().test();
}
public void test() {
// Create the object with the run() method
Runnable runnable = new SynchTest();
Runnable runnable2 = new SynchTest();
...
Declaring array of objects
...);
// or if you want different objects
let arr3 = new Array(5).fill().map((_, i) => ({ id: i }));
Will create an array of 5 items. Then you can use forEach for example.
arr.forEach(str => console.log(str));
Note that when doing new Array(5) it's just an object with length 5 and the array ...
How to customize ?
...seinput">El Cucaratcha, for example</button>
<span id="selected_filename">No file selected</span>
<script>
$(document).ready( function() {
$('#falseinput').click(function(){
$("#fileinput").click();
});
});
$('#fileinput').change(function() {
$('#selected_filena...
Must qualify the allocation with an enclosing instance of type GeoLocation
...E GeoLocation.java
public class GeoLocation {
public static void main(String[] args) throws InterruptedException {
int size = 10;
// create thread pool with given size
ExecutorService service = Executors.newFixedThreadPool(size);
// queue some tasks
f...
How to select the nth row in a SQL database table?
...upports the standard windowing functions:
SELECT * FROM (
SELECT
ROW_NUMBER() OVER (ORDER BY key ASC) AS rownumber,
columns
FROM tablename
) AS foo
WHERE rownumber <= n
(which I just copied from the site linked above since I never use those DBs)
Update: As of PostgreSQL 8.4 the st...
MySQL Error 1153 - Got a packet bigger than 'max_allowed_packet' bytes
...port.
For the client, you can specify it on the command line:
mysql --max_allowed_packet=100M -u root -p database < dump.sql
Also, change the my.cnf or my.ini file under the mysqld section and set:
max_allowed_packet=100M
or you could run these commands in a MySQL console connected to that...
What is a wrapper class?
...ue = doubleWrapper.intValue();
byte byteValue = doubleWrapper.byteValue();
string stringValue = doubleWrapper.stringValue();
so this is the way , we can use wrapper class type to convert into other primitive types as well. This type of conversion is used when you need to convert a primitive type t...