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How to change column datatype from character to numeric in PostgreSQL 8.4
I am using following query:
3 Answers
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pandas: multiple conditions while indexing data frame - unexpected behavior
I am filtering rows in a dataframe by values in two columns.
3 Answers
3
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Create a tar.xz in one command
I am trying to create a .tar.xz compressed archive in one command. What is the specific syntax for that?
5 Answers
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How to get relative path from absolute path
There's a part in my apps that displays the file path loaded by the user through OpenFileDialog. It's taking up too much space to display the whole path, but I don't want to display only the filename as it might be ambiguous. So I would prefer to show the file path relative to the assembly/exe direc...
How to get only time from date-time C# [closed]
...for this:
DateTime dt = DateTime.Parse("6/22/2009 07:00:00 AM");
dt.ToString("HH:mm"); // 07:00 // 24 hour clock // hour is always 2 digits
dt.ToString("hh:mm tt"); // 07:00 AM // 12 hour clock // hour is always 2 digits
dt.ToString("H:mm"); // 7:00 // 24 hour clock
dt.ToString("h:mm tt"); // 7:00...
Select all text inside EditText when it gets focus
I have an EditText with some dummy text in it. When the user clicks on it I want it to be selected so that when the user starts typing the dummy text gets deleted.
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jQuery: serialize() form and other parameters
...ments (serialized with .serialize() method) and other parameters with a single AJAX request?
9 Answers
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I want to delete all bin and obj folders to force all projects to rebuild everything
...ple projects, and I want to recursively delete all folders with the name 'bin' or 'obj' that way I am sure that all projects will rebuild everything (sometimes it's the only way to force Visual Studio to forget all about previous builds).
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How to comment in Vim's config files: “.vimrc”?
How do I add a comment in Vim's configuration files, like .vimrc?
3 Answers
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Set transparent background using ImageMagick and commandline prompt
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I am using ImageMagick 6.6.9-7 on Ubuntu 12.04.
What worked for me was the following:
convert test.png -transparent white transparent.png
That changed all the white in the test.png to transparent.
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