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Parsing JSON with Unix tools
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There are a number of tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can...
How to Pass Parameters to Activator.CreateInstance()
...rs.
Based on that, you can pass a array towards CreateInstance. This will allow you to have 0 or multiple arguments.
public T CreateInstance<T>(params object[] paramArray)
{
return (T)Activator.CreateInstance(typeof(T), args:paramArray);
}
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How do you run a single query through mysql from the command line?
...ybyte Assuming Linux: Insinde doublequotes the asterisk * gets expanded to all files in the current directory, while this expansion does not happen in singlequotes, thats the reason why. Doublequotes will work for quesries without the *.
– NobbZ
Apr 3 '18 at 7:...
How do you clone a Git repository into a specific folder?
...t/it/
mv /where/it/is/right/now/.* /where/I/want/it/
The first line grabs all normal files, the second line grabs dot-files. It is also possibe to do it in one line by enabling dotglob (i.e. shopt -s dotglob) but that is probably a bad solution if you are asking the question this answer answers.
Be...
Can we make unsigned byte in Java
...ignedToBytes((byte) -12));
}
Is it what you want to do?
Java does not allow to express 244 as a byte value, as would C. To express positive integers above Byte.MAX_VALUE (127) you have to use an other integer type, like short, int or long.
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Difference between thread's context class loader and normal classloader
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Indeed, not all classloaders have a classpath. When wrote "ClassB needs to be on the classpath of the classloader of ClassA", I meant "ClassB needs to loadable by the classloader of ClassA". 90% of the time they mean the same. But if ...
C++ : why bool is 8 bits long?
...can't. But you can create a pointer to a byte. So a boolean in C++ is typically byte-sized. (It may be larger as well. That's up to the implementation. The main thing is that it must be addressable, so no C++ datatype can be smaller than a byte)
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Current location permission dialog disappears too quickly
...rdinates , and provides a distance to or from their destination or origin. All these possible destinations are shown in a table view, so I'm getting the users co-ordinates at the same time as populating the table. The only thing is, the alert view that asks for the users location appears then disapp...
How can I update a single row in a ListView?
... and some text. The image is loaded in a separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is getting called too frequently, since notifyDataSetChanged() calls getView()...
How does “make” app know default target to build if no target is specified?
...e default goal; to do that, it may have to process other targets - specifically, ones the first target depends on.
The GNU Make Manual covers all this stuff, and is a surprisingly easy and informative read.
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