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Object.getOwnPropertyNames vs Object.keys
...n-enumerable properties.
Regarding to examples, one of pitfall cases is an Error object: some of its properties are non-enumerable.
So while console.log(Object.keys(new Error('some msg'))) yields [],
console.log(Object.getOwnPropertyNames(new Error('some msg'))) yields ["stack", "message"]
conso...
Use of 'use utf8;' gives me 'Wide character in print'
...ng and gives you a warning. As ever, you can get more explanation for this error by including use diagnostics. It will say this:
(S utf8) Perl met a wide character (>255) when it wasn't expecting
one. This warning is by default on for I/O (like print). The easiest
way to quiet this warn...
How to write an async method with out parameter?
...dConnectRequest request)
{
return (true, BadRequest(new OpenIdErrorResponse
{
Error = OpenIdConnectConstants.Errors.AccessDenied,
ErrorDescription = "Access token provided is not valid."
}));
}
return result utilizes the method signature def...
request exceeds the configured maxQueryStringLength when using [Authorize]
...ncreased mine from 2048 to 4096. This has had some effect, as the original error message with 404.something for the overlong query string doesn't appear anymore. But now, another error message with code 400 is returned, also indicating an overlong query string.
– O. R. Mapper
...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
I am getting TransactionManagementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key.
...
Convert HTML + CSS to PDF [closed]
... program.
HTML2PDF looked the most promising but I kept having this weird error about null reference arguments to node_type. I finally found the solution to this. Basically, PHP 5.1.x worked fine with regex replaces (preg_replace_*) on strings of any size. PHP 5.2.1 introduced a php.ini config d...
How to specify HTTP error code?
...If you want to send more down the wire, just chain: res.status(400).json({ error: 'message' })
– TyMayn
Sep 23 '14 at 4:15
...
Android Hello-World compile error: Intellij cannot find aapt
...n Android Application Module, but when I try to build, I get the following error:
13 Answers
...
Cannot serve WCF services in IIS on Windows 8
...to serve a WCF service on IIS in a Windows 8 machine, I get the well known error
6 Answers
...
Solutions for INSERT OR UPDATE on SQL Server
...
Solutions provided by @Beau Crawford & @Esteban show general idea but error-prone.
To avoid deadlocks and PK violations you can use something like this:
begin tran
if exists (select * from table with (updlock,serializable) where key = @key)
begin
update table set ...
where key = @key
...