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How to concatenate text from multiple rows into a single text string in SQL server?
Consider a database table holding names, with three rows:
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Const before or const after?
To start you probably know that const can be used to make either an object's data or a pointer not modifiable or both.
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Use a list of values to select rows from a pandas dataframe [duplicate]
Lets say I have the following pandas dataframe:
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Are there any cases when it's preferable to use a plain old Thread object instead of one of the newe
I see a lot of people in blog posts and here on SO either avoiding or advising against the usage of the Thread class in recent versions of C# (and I mean of course 4.0+, with the addition of Task & friends). Even before, there were debates about the fact that a plain old thread's functionality c...
System.Timers.Timer vs System.Threading.Timer
I have been checking out some of the possible timers lately, and System.Threading.Timer and System.Timers.Timer are the ones that look needful to me (since they support thread pooling).
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How to call a stored procedure from Java and JPA
I am writing a simple web application to call a stored procedure and retrieve some data.
Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details.
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How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable.
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What's a quick way to comment/uncomment lines in Vim?
I have a Ruby code file open in vi, there are lines commented out with # :
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How to do a scatter plot with empty circles in Python?
In Python, with Matplotlib, how can a scatter plot with empty circles be plotted? The goal is to draw empty circles around some of the colored disks already plotted by scatter() , so as to highlight them, ideally without having to redraw the colored circles.
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Is there any async equivalent of Process.Start?
Like the title suggests, is there an equivalent to Process.Start (allows you run another application or batch file) that I can await?
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