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Determine if Android app is being used for the first time
... if you don't mess around with your android:versionCode in AndroidManifest.xml!
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log4j vs logback [closed]
... to log4j, logback specific parts, specifically those contained in logback.xml configuration file would still need to be migrated to its log4j equivalent, i.e. log4j.properties. When migrating in the other direction, log4j configuration, i.e. log4j.properties, would need to be converted to its logb...
Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...ilable on https or localhost - for example for your local development with python3 -m http.server you need to add this line to your /etc/hosts:
0.0.0.0 localhost
Reboot - and you can open localhost:8000 with working crypto.subtle.
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Convert columns to string in Pandas
...me potentially nasty bugs.
Challenging to differentiate strings and other python objects
Another obvious example example is that it's harder to distinguish between "strings" and "objects". Objects are essentially the blanket type for any type that does not support vectorizable operations.
Consider,...
Argparse: Required arguments listed under “optional arguments”?
...ere is a non-optional argument, which I find very confusing. How can I get python to indicate that an argument is not optional?
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What is a classpath and how do I set it?
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In python there's a folder called Lib where you can store any module to use at any time with a simple import statement. Is this different than setting the CLASSPATH environment variable to a directory for third-party java packag...
CSS selector for first element with class
...ason the word "type" was chosen is so as not to couple Selectors with HTML/XML, since not all languages have a concept of "tags" that define elements.
– BoltClock♦
Jul 6 '17 at 3:29
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How to check whether a file is empty or not?
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If you are using Python3 with pathlib you can access os.stat() information using the Path.stat() method, which has the attribute st_size(file size in bytes):
>>> from pathlib import Path
>>> mypath = Path("path/to/my/file"...
What are the best practices for JavaScript error handling?
...rror handling in javascript like you do in several other languages (AFAIK: Python, Java).
For better readability (and probably better performance, even though I am not sure it has a really big impact), you should use the try / catch block mostly on the following cases :
The part of the code you w...
Where is the C auto keyword used?
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The auto keyword is similar to the inclusion of semicolons in Python, it was required by a previous language (B) but developers realized it was redundant because most things were auto.
I suspect it was left in to help with the transition from B to C. In short, one use is for B languag...