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How to reset a timer in C#?
...e of, System.Threading.Timer , System.Timers.Timer , and System.Windows.Forms.Timer , but none of these have a .Reset() function which would reset the current elapsed time to 0.
...
Convert hex to binary
... binary manipulation at all, convert to int (I presume this is in a string format, not as a literal):
>>> integer = int('ABC123EFFF', 16)
>>> integer
737679765503
alternatively we could use an integer literal as expressed in hexadecimal form:
>>> integer = 0xABC123EFFF...
How to play a sound in C#, .NET
...
@Praveen's answer just gave another informative fact. Thanks to Dexter for asking that "@" symbol.
– Allen Linatoc
Apr 27 '15 at 7:14
2
...
JavaScript file upload size validation
...nt.body.appendChild(elm);
}
</script>
</head>
<body>
<form action='#' onsubmit="return false;">
<input type='file' id='fileinput'>
<input type='button' id='btnLoad' value='Load' onclick='showFileSize();'>
</form>
</body>
</html>
And here it is ...
Difference between a Postback and a Callback
...is posted with ASP.Net is because ASP.Net encloses the whole page in a <form> with a post method, and so when a submit button is clicked in the page, the form is sent to the server with all of the fields that are in the form... basically the whole page itself.
If you are using FireBug (for Fi...
How to compare Unicode characters that “look alike”?
...ou can normalize both of the Unicode characters to a certain normalization form before comparing them, and they should be able to match. Of course, which normalization form you need to use depends on the characters themselves; just because they look alike doesn't necessarily mean they represent the ...
How to use the “required” attribute with a “radio” input field
...to be selected at a time and applies required to the whole group.
<form>
Select Gender:<br>
<label>
<input type="radio" name="gender" value="male" required>
Male
</label><br>
<label>
<input type="radio" name="gender" va...
Is there a way to get rid of accents and convert a whole string to regular letters?
... to handle this for you.
string = Normalizer.normalize(string, Normalizer.Form.NFD);
// or Normalizer.Form.NFKD for a more "compatable" deconstruction
This will separate all of the accent marks from the characters. Then, you just need to compare each character against being a letter and throw o...
How to use WinForms progress bar?
I want to show progress of calculations, which are performing in external library.
4 Answers
...
What is the difference between -viewWillAppear: and -viewDidAppear:?
... whenever the view was loaded into memory. So for example, if my view is a form with 3 labels, I would add the labels here; the view will never exist without those forms.
2) ViewWillAppear: I use ViewWillAppear usually just to update the data on the form. So, for the example above, I would use this...