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What is a NullReferenceException, and how do I fix it?
... their names, opening a (Quick)Watch window or using the various debugging panels like Locals and Autos.
If you want to find out where the reference is or isn't set, right-click its name and select "Find All References". You can then place a breakpoint at every found location and run your program wi...
Can I find events bound on an element with jQuery?
...k on the element and select 'Inspect element with Firebug'
In the sidebar panels (shown in the screenshot), navigate to the events tab using the tiny > arrow
The events tab shows the events and corresponding functions for each event
The text next to it shows the function location
...
How do I generate random number for each row in a TSQL Select?
...vert-transact-sql
RAND(): http://msdn.microsoft.com/en-us/library/ms177610.aspx
CHECKSUM(): http://msdn.microsoft.com/en-us/library/ms189788.aspx
NEWID(): https://docs.microsoft.com/en-us/sql/t-sql/functions/newid-transact-sql
...
'nuget' is not recognized but other nuget commands working
... You can see the PATH environment variable by going to Control Panel > System > Advanced System Settings then on the System Properties window, click Advanced tab and there you will see the "Environment Variables..." button. Under System variables group go find PATH environment var...
Why is Android Studio reporting “URI is not registered”? [closed]
...or those looking for how to switch the build variant, it's at the leftmost panel of AS, written sideways. Click it, then under it "debug" is actually a dropdown.
– lemuel
Dec 14 '14 at 1:06
...
Catching “Maximum request length exceeded”
....Server.ClearError();
this.Server.Transfer("~/error/UploadTooLarge.aspx");
}
}
It's a hack but the code below works for me
const int TimedOutExceptionCode = -2147467259;
public static bool IsMaxRequestExceededException(Exception e)
{
// unhandled errors = caught at global.ascx lev...
Which Radio button in the group is checked?
...uires that all of the radio buttons be directly in the same container (eg, Panel or Form), and that there is only one group in the container. If that is not the case, you could make List<RadioButton>s in your constructor for each group, then write list.FirstOrDefault(r => r.Checked).
...
Xcode 5: Code signing entitlement errors
...ab
Select your Apple ID
Hit the View Details button in the Apple ID detail panel
Hit the Refresh button in the lower left corner
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Regex to match string containing two names in any order
...mplify/update/explore the expression, it's been explained on the top right panel of regex101.com. You can watch the matching steps or modify them in this debugger link, if you'd be interested. The debugger demonstrates that how a RegEx engine might step by step consume some sample input strings and ...
app-release-unsigned.apk is not signed
...set to debug (and not release) in Android Studio (check the build variants panel).
If set to debug, it should automatically sign the app with the auto-generated debug keystore, without editing the build scripts.
However you will need to create and configure a specific keystore for release.
Offici...