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How to redirect stderr to null in cmd.exe
I have an application that logs a lot of noise to stderr and REALLY slows down the execution of the application. I would like to redirect that output to null. Is this possible with cmd.exe?
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How to read data when some numbers contain commas as thousand separator?
... some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
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When to use: Java 8+ interface default method, vs. abstract method
... a particular implementation's state. So the main use case is higher-level and convenience methods.
The good thing about this new feature is that, where before you were forced to use an abstract class for the convenience methods, thus constraining the implementor to single inheritance, now you can ...
Read password from stdin
...) deals with the situation in which a CLI tool is being fed data via STDIN and yet you want the ability to type the password yourself. Great tool!
– Tiemen
Jul 22 '13 at 21:00
2
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How to make a class JSON serializable
...you want more customized output then you will have to subclass JSONEncoder and implement your own custom serialization.
For a trivial example, see below.
>>> from json import JSONEncoder
>>> class MyEncoder(JSONEncoder):
def default(self, o):
return o.__dict_...
Designing function f(f(n)) == -n
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Hmm, saving state with even and odd numbers, I should've thought of that.
– Unknown
Apr 8 '09 at 22:25
38
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C++ Object Instantiation
I'm a C programmer trying to understand C++. Many tutorials demonstrate object instantiation using a snippet such as:
9 An...
Equivalent VB keyword for 'break'
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In both Visual Basic 6.0 and VB.NET you would use:
Exit For to break from For loop
Wend to break from While loop
Exit Do to break from Do loop
depending on the loop type. See Exit Statements for more details.
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C# HttpClient 4.5 multipart/form-data upload
... If you get an error: "Uploaded file(s) not found" try to add the key and fileName parameters to content (bilddatei and upload.jpg in this example).
– jhhwilliams
May 24 '19 at 8:13
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Can the Android layout folder contain subfolders?
...ng every XML layout file inside the 'res/layout' folder, so it is feasible and simple to manage small projects, but when there is a case of large and heavy projects, then there should be a hierarchy and sub-folders needed inside the layout folder.
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