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How to beautify JSON in Python?
...
From the command-line:
echo '{"one":1,"two":2}' | python -mjson.tool
which outputs:
{
"one": 1,
"two": 2
}
Programmtically, the Python manual describes pretty-printing JSON:
>>> import json
>>&g...
Check to see if python script is running
... can write a simple shell script to check it for you using the return code from ps.
ps up `cat /tmp/mydaemon.pid ` >/dev/null && echo "Running" || echo "Not running"
For extra credit, you can use the atexit module to ensure that your program cleans up its pidfile under any circumstance...
Why does this Java code compile?
...se restrictions are intended to prevent code like
int j = i;
int i = j;
from compiling. The Java spec says "the restrictions above are designed to catch, at compile time, circular or otherwise malformed initializations."
What do these rules actually boil down to?
In short, the rules basically s...
Difference between ObservableCollection and BindingList
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An ObservableCollection can be updated from UI exactly like any collection. The true difference is rather straightforward:
ObservableCollection<T> implements INotifyCollectionChanged which provides notification when the collection is changed (you guessed ^^...
How to create JSON string in C#
...lizer class, check this article to build an useful extension method.
Code from article:
namespace ExtensionMethods
{
public static class JSONHelper
{
public static string ToJSON(this object obj)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
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What is Bit Masking?
...; value;
}
Here is a fairly common use-case: Extracting individual bytes from a larger word. We define the high-order bits in the word as the first byte. We use two operators for this, &, and >> (shift right). This is how we can extract the four bytes from a 32-bit integer:
void more_...
Handling file renames in git
... your rename and then stage your renamed file. Git will recognise the file from the contents, rather than seeing it as a new untracked file, and keep the change history.
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No IUserTokenProvider is registered
...ses 'Could not load type 'System.Security.Cryptography.DpapiDataProtector' from assembly in .netcore
– TAHA SULTAN TEMURI
Nov 12 '19 at 5:08
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VS2013 permanent CPU usage even though in idle mode
.../Support/Center/Question/Details/T102322
The CPU slowed down right away from 25 % to 1 %.
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Choose between ExecutorService's submit and ExecutorService's execute
...eued with submit() will bind the Throwable to the Future that was produced from the call to submit(). Calling get() on that Future will throw an ExecutionException with the original Throwable as its cause (accessible by calling getCause() on the ExecutionException).
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