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How to get the current date and time
...me fields and the DateFormat class should be used to format and parse date strings.
– Paolo M
Aug 7 '13 at 14:06
9
...
Array.push() if does not exist?
...
For an array of strings (but not an array of objects), you can check if an item exists by calling .indexOf() and if it doesn't then just push the item into the array:
var newItem = "NEW_ITEM_TO_ARRAY";
var array = ["OLD_ITEM_1", "OLD_I...
Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter
...terExceptions at compile time.
An example is best here:
@NonNull private String myString = "Hello";
@Nullable private String myOtherString = null;
@NonNull
public Object doStuff() {
System.out.println(myString.length); // No warning
System.out.println(doSomething(myString).length); // W...
How to Get Element By Class in JavaScript?
...to have any content inside the element you want to replace. You can have a string in there or you can have it empty. Either way the replacement text will suddenly appear there when the function is called.
– Taylor
Sep 28 '10 at 0:47
...
Why is JsonRequestBehavior needed?
...nResult Json(object data);
protected internal JsonResult Json(object data, string contentType);
protected internal virtual JsonResult Json(object data, string contentType, Encoding contentEncoding);
With JsonRequestBehavior
protected internal JsonResult Json(object data, JsonRequestBehavior behav...
How do I round to the nearest 0.5?
...
Public Function Round(ByVal text As TextBox) As Integer
Dim r As String = Nothing
If text.TextLength > 3 Then
Dim Last3 As String = (text.Text.Substring(text.Text.Length - 3))
If Last3.Substring(0, 1) = "." Then
Dim dimcalvalue As String = Last3.Substring...
How do I iterate through the files in a directory in Java?
...alled recursion.
Here's a basic kickoff example.
public static void main(String... args) {
File[] files = new File("C:/").listFiles();
showFiles(files);
}
public static void showFiles(File[] files) {
for (File file : files) {
if (file.isDirectory()) {
System.out.pr...
CFBundleVersion in the Info.plist Upload Error
...ple deletes any leading zeroes inside the version number; i.e. the "whole string" is NOT treated as a number, instead the bits between dots are treated as SEPARATE numbers. e.g. "1.02" is treated by Apple as "1.2". So, for Apple, 1.02 is GREATER THAN 1.1
Apple sometimes gets "confused" and seems to...
jQuery returning “parsererror” for ajax request
...eason why this parsererror message occurs is that when you simply return a string or another value, it is not really Json, so the parser fails when parsing it.
So if you remove the dataType: json property, it will not try to parse it as Json.
With the other method if you make sure to return your ...
Unable to evaluate expression because the code is optimized or a native frame is on top of the call
...Request event.
For Response.Redirect, use an overload, Response.Redirect(String url, bool endResponse) that passes false for the endResponse parameter to suppress the internal call to Response.End. For example: Response.Redirect
("nextpage.aspx", false); If you use this workaround, the code
th...