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MongoDB: How to query for records where field is null or not set?
...ount({sent_at: {$exists: false}})
If its there and null, or not there at all:
db.emails.count({sent_at: null})
Refer here for querying and null
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How do I pass an object from one activity to another on Android? [duplicate]
...tom classes across activities. I have found this very useful.
Here is a small snippet of code I am using
CustomListing currentListing = new CustomListing();
Intent i = new Intent();
Bundle b = new Bundle();
b.putParcelable(Constants.CUSTOM_LISTING, currentListing);
i.putExtras(b);
i.setClass(this,...
Hover and Active only when not disabled
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I <3 this solution. allows me to have the following: <button class="button">hovers</button> and <button class="button no-hover>doesn't hover</button> by just using :not(.no-hover)
– Ben
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ASP.NET_SessionId + OWIN Cookies do not send to browser
...do a little more work for each request.
Back to our login problem
With all these pieces your scenarios can be explained.
Case 1 - Session was never set
System.Web.SessionState.SessionStateModule, s_sessionEverSet property is false. No session id's are generated by session state module and Syst...
Any reason to write the “private” keyword in C#?
... the defaults, as per your question (I've never liked this argument, personally, but I figured it's worth mentioning)
It gives an impression that you've deliberately decided to make it private, rather than just gone with the defaults.
As for your last part:
Moreover is there a case where writi...
How to link to a named anchor in Multimarkdown?
...nks / named anchors but I am unable to find a single example of how to actually do it.
7 Answers
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Excel to CSV with UTF8 encoding [closed]
...ul of sensitive data with Google Sheets.
EDIT: Another alternative - basically they use VB macro or addins to force the save as UTF8. I have not tried any of these solutions but they sound reasonable.
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How do I scroll to an element within an overflowed Div?
... a good way to scroll to item #10, and then item #20? I know the height of all the items.
7 Answers
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IISExpress returns a 503 error from remote machines
...swered Mar 27 '11 at 21:07
vikomallvikomall
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SmtpException: Unable to read data from the transport connection: net_io_connectionclosed
...EDIT: Super Redux Version
Try port 587 instead of 465. Port 465 is technically deprecated.
After a bunch of packet sniffing I figured it out. First, here's the short answer:
The .NET SmtpClient only supports encryption via STARTTLS. If the EnableSsl flag is set, the server must respond to EHLO ...