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Catch every unhandled JavaScript error on a page with window.onerror and show the message, URL and line number.
window.onerror = function(error, url, line) {
var errorDetails = "Error Description = " + error;
errorDetails += "\nUrl = " + url;
errorDetails += "\nLine Number = " + line;
alert(errorDetails);An async C# method that checks a URL is well formed and that the server answers, using a HEAD request.
private async Task<bool> UriExists(string url)
{
try
{
// Validate whether url has a valid uri pattern
if (!Uri.IsWellFormedUriString(url, UriKind.RelativeOrAbsolute))Three ways to set a tooltip on a control in a Windows Store app: the Properties window, XAML and code behind.
ToolTip textUriTip = new ToolTip();
textUriTip.Content = "New ToolTip";
ToolTipService.SetToolTip(usr, textUriTip);Install the Color Theme editor extension to get the blue theme back in Visual Studio 2012, and turn off the upper case menu.
Replace all b tags with strong tags in C# using a lazy regular expression that also works across line breaks.
<b>This is a bold text</b> Lorem Ipsum is simply dummy text
<b>some more bold text</b>
Lorem Ipsum is simply dummy text <b> again bold text </b>Windows Store apps have no config file. Use ApplicationData.Current.LocalSettings to save and read app settings in C#.
using Windows.Storage;
bool SaveSettings(string key, string value)
{
try
{A PowerShell script that empties a SharePoint 2010 document library by deleting its files and then its folders.
Add-PSSnapin Microsoft.SharePoint.PowerShell
# Replace siteurl with actual web url
$web = Get-SPWeb -Identity "siteurl"
# Replace docurl with document library url
$list = $web.GetList("docurl")Create a web part page and place a visual web part on it through a module's Elements.xml in Visual Studio 2010.
Reassign an existing SharePoint 2010 workflow task to a different user with SPWorkflowTask.AlterTask.
using (SPSite site = new SPSite("http://myteamsite:2012/"))
{
using (SPWeb web = site.OpenWeb())
{
SPUser user = web.SiteUsers["myad\\administrator"];
SPListItem taskItem = web.Lists["Shared Documents"].Items[0];Look the function up on window using its name, check it is a function, then call it with apply.
var functiontocall = "HelloWorld";
var fn = window[functiontocall];
if (typeof fn !== 'function')
return;
var retvalue = fn.apply(window, ["Amal Hashim"]);XSLT 1.0 has no ends-with function, so compare the last characters of the string with substring.
<xsl:when test="substring($url, string-length($url) - 3) = '.pdf'">Fix Office Web Apps in SharePoint 2010 failing to open any document by checking the viewing service, its proxy and the proxy group.