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What does “:=” do?
... languages, the equals sign typically denotes either a boolean operator to test equality of values (e.g. as in Pascal or Eiffel), which is consistent with the symbol's usage in mathematics, or an assignment operator (e.g. as in C-like languages). Languages making the former choice often use a colon-...
How to grep a text file which contains some binary data?
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You could run the data file through cat -v, e.g
$ cat -v tmp/test.log | grep re
line1 re ^@^M
line3 re^M
which could be then further post-processed to remove the junk; this is most analogous to your query about using tr for the task.
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jquery: $(window).scrollTop() but no $(window).scrollBottom()
...ght() - $(window).height() - $(window).scrollTop();
Here is a small ugly test that works for me:
// SCROLLTESTER START //
$('<h1 id="st" style="position: fixed; right: 25px; bottom: 25px;"></h1>').insertAfter('body');
$(window).scroll(function () {
var st = $(window).scrollTop();
...
How can I convert byte size into a human-readable format in Java?
...e;
return new DecimalFormat("#,##0.#").format(result) + " " + unit;
}
Test code:
public static void main(final String[] args){
final long[] l = new long[] { 1l, 4343l, 43434334l, 3563543743l };
for(final long ll : l){
System.out.println(convertToStringRepresentation(ll));
}
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brew install mysql on macOS
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Note the second: a commenter says step 2 is not required. I don't want to test it, so YMMV!
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Check if a class is derived from a generic class
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This only works for concrete type inheritance... Test case: bool expected = true; bool actual = Program.IsSubclassOfRawGeneric ( typeof ( IEnumerable<> ), typeof ( List<string> ) ); Assert.AreEqual ( expected, actual ); // fails
– Bobby
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Android getting value from selected radiobutton
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Tested and working. Check this
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RadioButton;
impor...
Java - get pixel array from image
I'm looking for the fastest way to get pixel data (int the form int[][] ) from a BufferedImage . My goal is to be able to address pixel (x, y) from the image using int[x][y] . All the methods I have found do not do this (most of them return int[] s).
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How to use knockout.js with ASP.NET MVC ViewModels?
...ources-
function viewModel() {
this.addStudent = function () {
alert("de");
};
};
$(function () {
var jsonModel = '@Html.Raw(JsonConvert.SerializeObject(this.Model))';
var mvcModel = ko.mapping.fromJSON(jsonModel);
var myViewModel = new viewModel();
var g = ko.mappi...
Remove all occurrences of char from string
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String test = "09-09-2012";
String arr [] = test.split("-");
String ans = "";
for(String t : arr)
ans+=t;
This is the example for where I have removed the character - from the String.
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