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What's the correct way to convert bytes to a hex string in Python 3?
...ht but something that was argued over: bugs.python.org/issue3532#msg70950. Q: Would it hurt to have the tohex method of the bytes object to perform this task as well? A: IMO, yes, it would. It complicates the code, and draws the focus away from the proper approach to data conversion (namely, functio...
Remove last item from array
...is:
arr.slice([begin[, end]])
Here,
the begin parameter is zero-based index at which extraction from an array starts. So, lets say based on above example if we do something like
arr.slice(0) // returns [1,0,2]
it would return all the array elements from start of sequence from position 0 a...
Stash changes while keeping the changes in the working directory in Git
...stage the changes you want to keep, and then stash everything using --keep-index:
$ git add modified-file.txt
$ git stash push --keep-index
The commands above will stash everything, but it will leave the files staged in your working directory.
From the official Linux Kernel Git documentation for gi...
do { … } while (0) — what is it good for? [duplicate]
...#define FOO(x) { foo(x); bar(x); }
Using this in an if statement would require that you omit the semicolon, which is counterintuitive:
if (condition)
FOO(x)
else
...
If you define FOO like this:
#define FOO(x) do { foo(x); bar(x); } while (0)
then the following is syntactically corre...
Building a complete online payment gateway like Paypal [closed]
So this question isn't about integrating an existing payment gateway into my site. This is more of a architectural question.
...
Can an Android NFC phone act as an NFC tag?
...one will act as an NFC reader which will read data from an NFC tag. Now my question is, can we switch this around? Can we make an Android NFC phone behave as the tag which an NFC reader will get data from?
...
How do I parse a string to a float or int?
...ently imperfect for representing decimals. For more, see stackoverflow.com/q/21895756/931277
– dokkaebi
Aug 18 '17 at 21:44
20
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Why does Javascript's regex.exec() not always return the same value? [duplicate]
...bal, if you call a method on the same regex object, it will start from the index past the end of the last match.
When no more matches are found, the index is reset to 0 automatically.
To reset it manually, set the lastIndex property.
reg.lastIndex = 0;
This can be a very useful feature. You...
Is there a concurrent List in Java's JDK?
...ow can I create a concurrent List instance, where I can access elements by index? Does the JDK have any classes or factory methods I can use?
...
What is the difference between an Azure Web Site and an Azure Web Role
...mmand-line tools to set up a web site with popular languages such as .NET, PHP, Node.js, and Python. Supported frameworks are already deployed and do not require more installation steps. The Azure Web Sites gallery contains many third-party applications, such as Drupal and WordPress as well as devel...