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MongoDB: How to query for records where field is null or not set?
I have an Email document which has a sent_at date field:
6 Answers
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Akka Kill vs. Stop vs. Poison Pill?
Newbie question of Akka - I'm reading over Akka Essentials, could someone please explain the difference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small explaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during...
Can you have additional .gitignore per directory within a single repo?
Can you create a .gitignore file in a directory that only applies to files (and directories) within that directory?
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How to get Linux console window width in Python
Is there a way in python to programmatically determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window.
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Limit Decimal Places in Android EditText
I'm trying to write an app that helps you manage your finances. I'm using an EditText Field where the user can specify an amount of money.
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How to create an array of 20 random bytes?
How can I create an array of 20 random bytes in Java?
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Shorthand way for assigning a single field in a record, while copying the rest of the fields?
Let's say I have the following record ADT:
3 Answers
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Use tab to indent in textarea
I have a simple html textarea on my side. Right now if you click tab in it, it goes to the next field. I would like to make the tab button indent a few spaces instead. How can I do this? Thanks.
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RESTful Login Failure: Return 401 or Custom Response
This is a conceptual question.
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CleanWPPAllFilesInSingleFolder error makes my project no longer load
Using VS2012 I created a dynamic data project. It all worked and then I started configuring the web deployment settings. I am not sure what setting I changed exactly as there was no error. However when I try and load the solution I get the following error for the project and it will no longer load.
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