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C# constructor execution order
...;
public A()
{
Console.WriteLine("A");
}
public A(string x) : this()
{
Console.WriteLine("A got " + x);
}
}
public class B : A
{
public readonly C bc = new C("B");
public B(): base()
{
Console.WriteLine("B");
}
public B(string x)...
How to detect which one of the defined font was used in a web page?
...ty reliable way. Basically, an element is set to use a specific font and a string is set to that element. If the font set for the element does not exist, it takes the font of the parent element. So, what they do is measure the width of the rendered string. If it matches what they expected for the...
PHP Sort Array By SubArray Value
...optionNumber'] is an integer. Use @St. John Johnson's solution if they are strings.
In PHP ≥7.0, use the spaceship operator <=> instead of subtraction to prevent overflow/truncation problems.
usort($array, function ($a, $b) {
return $a['optionNumber'] <=> $b['optionNumber'];
})...
C++ auto keyword. Why is it magic?
...ar print() function in it's C base.
#include <iostream>
#include <string>
#include <array>
using namespace std;
void print(auto arg) {
cout<<arg<<" ";
}
int main()
{
string f = "String";//tok assigned
int x = 998;
double a = 4.785;
string b = "C++ Auto !...
How to build an APK file in Eclipse?
...
The APK file is in the /workspace/PROJECT_FOLDER/bin directory. To install the APK file in a real device:
Connect your real device with a PC/laptop.
Go to sdk/tools/ using a terminal or command prompt.
adb install <FILE PATH OF .APK FILE>
That's it...
...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
... If I chose option 1, do I just include the Base64 content inside the JSON string? {file:'234JKFDS#$@#$MFDDMS....', name:'somename'...} Or is there something more to it?
– Gregg
Nov 3 '10 at 3:06
...
Insert current date in datetime format mySQL
...
NOW() is used to insert the current date and time in the MySQL table. All fields with datatypes DATETIME, DATE, TIME & TIMESTAMP work good with this function.
YYYY-MM-DD HH:mm:SS
Demonstration:
Following code shows the usage of NOW()
INSERT INTO auto_ins
(MySQL_Function, DateTime, Date,...
Ways to iterate over a list in Java
...
So for lists of immutable types like Integer and String it would not be possible to change the contents using for-each or Iterator methods -- would have to manipulate the list object itself to replace to elements. Is that right?
– jacobq
...
Click button copy to clipboard using jQuery
...ard in most browsers because most browsers have the ability to programmatically copy a selection of text to the clipboard using document.execCommand("copy") that works off a selection.
As with some other actions in a browser (like opening a new window), the copy to clipboard can only be done via a ...
CSS3 transition events
...ent. An event is fired for each property that undergoes a transition. This allows a content developer to perform actions that synchronize with the completion of a transition.
Webkit
To determine when a transition completes, set a JavaScript event listener function for the DOM event that is s...