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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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Insert image after each list item
What would be the best way to insert a small image after each list element? I tried it with a pseudo class but something is not right...
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Check if a string contains one of 10 characters
I'm using C# and I want to check if a string contains one of ten characters, *, &, # etc etc.
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Determine if an object property is ko.observable
I'm using KnockoutJS version 2.0.0
4 Answers
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TypeError: sequence item 0: expected string, int found
I am attempting to insert data from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using:
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Count cells that contain any text
I want to count the cells that contain anything within a range.
Any cell that contain text, or numbers or something else should do a plus one in my result-cell.
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How to add multiple columns to a table in Postgres?
How do I add multiple columns in one query statement in PostgreSQL using pgadmin3?
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How to limit UITableView row reordering to a section
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#include in .h or .c / .cpp?
When coding in either C or C++, where should I have the #include 's?
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How do I check for a network connection?
What is the best way to determine if there is a network connection available?
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