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Pandas read_csv low_memory and dtype options
When calling
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
Some SQL servers have a feature where INSERT is skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
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How do you set the max number of characters for an EditText in Android?
How do you set the max number of characters for an Android EditText input? I see setMaxLines, setMaxEMS, but nothing for the number of characters.
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How do I manage MongoDB connections in a Node.js web application?
I'm using the node-mongodb-native driver with MongoDB to write a website.
11 Answers
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Gray out image with CSS?
... (if any) to make an image appear "grayed out" with CSS (i.e., without loading a separate, grayed out version of the image)?
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Use “ENTER” key on softkeyboard instead of clicking button
...When I type the searched text, I'd like to use ENTER key on softkeyboard instead of search Button to activate search function.
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How to bind multiple values to a single WPF TextBlock?
I'm currently using the TextBlock below to bind the value of a property named Name :
4 Answers
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Identity increment is jumping in SQL Server database
In one of my tables Fee in column "ReceiptNo" in SQL Server 2012 database identity increment suddenly started jumping to 100s instead of 1 depending on the following two things.
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OnCreateOptionsMenu() not called in Fragment
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In your fragment's onCreateView() method, you need to call setHasOptionsMenu(true) to tell the host activity that your fragment has menu options that it wants to add.
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How to make a PHP SOAP call using the SoapClient class
I'm used to writing PHP code, but do not often use Object-Oriented coding. I now need to interact with SOAP (as a client) and am not able to get the syntax right. I've got a WSDL file which allows me to properly set up a new connection using the SoapClient class. However, I'm unable to actually make...