Run these fun commands in the console:
-
parseFloat('100000.618033988757')
-
10000000000000000 === 10000000000000001
-
.2 + .1
-
5508402744232713000 + 10
public class MouseController | |
{ | |
[DllImport("User32", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)] | |
public static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint cButtons, UIntPtr dwExtraInfo); | |
private const int MOUSEEVENTF_LEFTDOWN = 0x02; | |
private const int MOUSEEVENTF_LEFTUP = 0x04; | |
private const int MOUSEEVENTF_RIGHTDOWN = 0x08; | |
private const int MOUSEEVENTF_RIGHTUP = 0x10; |
// Create the callback method | |
delegate Boolean checkIfMoveToUploadedFolderCallback(); | |
// define the method to be called | |
private Boolean checkIfMoveToUploadedFolder() | |
{ | |
// check control property InvokeRequired | |
if (cb_moveToUploadedFolder.InvokeRequired) | |
{ | |
// create an instance of the delegate with this method's name |
delegate void updateDateTimePickerCallback(int t); | |
private void updateDateTimePicker(int t) | |
{ | |
if (dateTimePicker1.InvokeRequired) | |
{ | |
updateDateTimePickerCallback s = new updateDateTimePickerCallback(updateDateTimePicker); | |
this.Invoke(s, new object[] { t }); | |
} | |
else |
<button type="button" class="btn btn-default btn-xs" onclick="htmlEncode()" title="encode">HTML encode</button> | |
<button type="button" class="btn btn-default btn-xs" onclick="htmlDecode()" title="encode">HTML decode</button> | |
<br/> | |
<textarea id="encodedecode" cols="80" rows="10"></textarea> | |
<script> | |
function htmlEncode(){ | |
var encoded = $("#encodedecode").val().replace(/&/g, '&') | |
.replace(/</g, '<') | |
.replace(/>/g, '>') | |
.replace(/"/g, '"') |
<button type="button" class="btn btn-default btn-xs" onclick="guid()" title="generate a random guid">Generate Random Guid</button> | |
<br/> | |
<textarea id="guidtxt" cols="60"></textarea> | |
<script> | |
function guid() { | |
var guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {var r = Math.random()*16|0,v=c=='x'?r:r&0x3|0x8;return v.toString(16);}); | |
$("#guidtxt").val(guid); | |
$("#guidtxt").select(); | |
} | |
</script> |
jQuery('a').attr("target", "_blank"); |
1. What is the difference between '==' and .equals()? | |
2. Is java pass-by-value or pass-by-reference? | |
3. What is the difference between checked and unchecked exceptions? | |
4. What is an abstract class and when would you use it? |
.replace(/\.?0+$/, '') |
Run these fun commands in the console:
parseFloat('100000.618033988757')
10000000000000000 === 10000000000000001
.2 + .1
5508402744232713000 + 10