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What characters do I need to escape in XML documents?
...ortium (w3C), there are 5 characters that must not appear in their literal form in an XML document, except when used as markup delimiters or within a comment, a processing instruction, or a CDATA section. In all the other cases, these characters must be replaced either using the corresponding entity...
Do browsers send “\r\n” or “\n” or does it depend on the browser?
...lue is read through JavaScript rather than being submitted directly from a form, browser behaviour differs. IE and Opera return strings with CRLFs in; Firefox and WebKit return LF. So any form that gets submitted with JavaScript/XMLHttpRequest help is likely to come in either form.
...
Javascript object Vs JSON
...e difference between the 2 (JS obj and JSON)?
JSON is a data interchange format. It's a standard which describes how ordered lists and unordered maps, strings booleans and numbers can be represented in a string. Just like XML and YAML is a way to pass structured information between languages, JSON...
Is the NOLOCK (Sql Server hint) bad practice?
...rflow, I was against NOLOCK on the principal that you could potentially perform a SELECT with NOLOCK and get back results with data that may be out of date or inconsistent. A factor to think about is how many records may be inserted/updated at the same time another process may be selecting data fro...
Setting a WebRequest's body data
...f the data being posted.
myHttpWebRequest.ContentType = "application/x-www-form-urlencoded";
// Set the content length of the string being posted.
myHttpWebRequest.ContentLength = byte1.Length;
Stream newStream = myHttpWebRequest.GetRequestStream ();
newStream.Write (byte1, 0, byte1.Length);
Fr...
PHP: Storing 'objects' inside the $_SESSION
...$_SESSION, or reconstruct them whole cloth based on data stashed in hidden form fields, or re-query them from the DB each time, you are using state. HTTP is stateless (more or less; but see GET vs. PUT) but almost everything anybody cares to do with a web app requires state to be maintained somewhe...
What characters are allowed in an email address?
...
See RFC 5322: Internet Message Format and, to a lesser extent, RFC 5321: Simple Mail Transfer Protocol.
RFC 822 also covers email addresses, but it deals mostly with its structure:
addr-spec = local-part "@" domain ; global address
local...
How to not wrap contents of a div?
...-- floated divs by default expand to support their contents, like so:
<form>
<div style="float: left; background-color: blue">
<input type="button" name="blah" value="lots and lots of characters"/>
<input type="button" name="blah2" value="some characters"/&g...
How to use phpexcel to read data and insert into database?
...r->setReadDataOnly(true);
$objPHPExcel = $objectReader->load("./forms/test.xlsx");
$objWorksheet = $objPHPExcel->setActiveSheetIndexbyName('Sheet1');
$starting = 1;
$end = 3;
for($i = $starting;$i<=$end; $i++)
{
for($j=0;$j<count($arrayLabel);$j+...
How do I get the computer name in .NET
...
System.Environment.MachineName from a console or WinForms app.
HttpContext.Current.Server.MachineName from a web app
System.Net.Dns.GetHostName() to get the FQDN
See How to find FQDN of local machine in C#/.NET ? if the last doesn't give you the FQDN and you need it.
See de...