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Length of an integer in Python
...ere are some benchmarks. The len(str()) is already behind for even quite small numbers
timeit math.log10(2**8)
1000000 loops, best of 3: 746 ns per loop
timeit len(str(2**8))
1000000 loops, best of 3: 1.1 µs per loop
timeit math.log10(2**100)
1000000 loops, best of 3: 775 ns per loop
timeit len...
What's the best way to bundle static resources in a Go program? [closed]
I'm working on a small web application in Go that's meant to be used as a tool on a developer's machine to help debug their applications/web services. The interface to the program is a web page which includes not only the HTML, but some JavaScript (for functionality), images and CSS (for styling). I...
Are there any naming convention guidelines for REST APIs? [closed]
...niel, you are right, thanks for pointing that out. However, de-facto we usually expect urls to ignore cases, especially the resource name part. It would make no sense for userid & UserId to behave differently (unless one of them returns 404)
– LiorH
Jun 5 ...
What is the difference between class and instance methods?
...hen be used like so:
[MyClass aClassMethod];
MyClass *object = [[MyClass alloc] init];
[object anInstanceMethod];
Some real world examples of class methods are the convenience methods on many Foundation classes like NSString's +stringWithFormat: or NSArray's +arrayWithArray:. An instance method...
How to make a Java class that implements one interface with two generic types?
...it: This is a flaw with Java. There's absolutely no reason we shouldn't be allowed to have multiple implementations of the same interface, provided that the implementations take different arguments.
– gromit190
May 8 '17 at 11:24
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Use JNI instead of JNA to call native code?
JNA seems a fair bit easier to use to call native code compared to JNI. In what cases would you use JNI over JNA?
10 Answe...
Is asynchronous jdbc call possible?
I wonder if there is a way to make asynchronous calls to a database?
16 Answers
16
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Using Font Awesome icon for bullet points, with a single list item element
...
The new fontawesome (version 4.0.3) makes this really easy to do. We simply use the following classes:
<ul class="fa-ul">
<li><i class="fa-li fa fa-check-square"></i>List icons (like these)</li>
<li><i class="fa-li fa fa-check-squ...
Pandas conditional creation of a series/dataframe column
...
List comprehension is another way to create another column conditionally. If you are working with object dtypes in columns, like in your example, list comprehensions typically outperform most other methods.
Example list comprehension:
df['color'] = ['red' if x == 'Z' else 'green' for x in d...
Publish to S3 using Git?
...we wanted). Next create an S3 bucket to store your repository in, let’s call it git-repos, and then create a git repository to upload:
s3cmd mb s3://git-repos
mkdir chef-recipes
cd chef-recipes
git init
touch README
git add README
git commit README
git remote add origin amazon-s3://.jgit@git-repo...