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Run PostgreSQL queries from the command line
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psql -U username -d mydatabase -c 'SELECT * FROM mytable'
If you're new to postgresql and unfamiliar with using the command line tool psql then there is some confusing behaviour you should be aware of when you've entered an interactive se...
I need a Nodejs scheduler that allows for tasks at different intervals [closed]
I am looking for a node job schedule that will allow me to schedule a number of tasks at different intervals. For instance,
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What is fastest children() or find() in jQuery?
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children() only looks at the immediate children of the node, while find() traverses the entire DOM below the node, so children() should be faster given equivalent implementations. However, find() uses native browser methods, while children() uses JavaScrip...
How to get a group of toggle buttons to act like radio buttons in WPF?
...uttons where only one button can be selected / pressed down at a current time. It also need to have a state where none of the buttons are selected / pressed down.
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What is the “continue” keyword and how does it work in Java?
I saw this keyword for the first time and I was wondering if someone could explain to me what it does.
13 Answers
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Best way to build a Plugin system with Java
How would you implement a Plugin-system for your Java application?
8 Answers
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Can I load a .NET assembly at runtime and instantiate a type knowing only the name?
Is it possible to instantiate an object at runtime if I only have the DLL name and the class name, without adding a reference to the assembly in the project? The class implements a interface, so once I instantiate the class, I will then cast it to the interface.
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Why is a C++ Vector called a Vector?
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Mathematical definition of a vector is a member of the set Sn, which is an ordered sequence of values in a specific set (S). This is what a C++ vector stores.
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How do I force my .NET application to run as administrator?
..."Application Manifest File". Change the <requestedExecutionLevel> element to:
<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
The user gets the UAC prompt when they start the program. Use wisely; their patience can wear out quickly.
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What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
...string into a number, which can also be a float BTW.
EDIT #1: Lucero commented about the radix that can be used along with parseInt(). As far as that is concerned, please see THE DOCTOR's answer below (I'm not going to copy that here, the doc shall have a fair share of the fame...).
EDIT #2: R...