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How find all unused classes in Intellij Idea?
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Why does Python pep-8 strongly recommend spaces over tabs for indentation?
...and stick to spaces if that is the established convention in existing code base.
– Daniel Sokolowski
May 16 '13 at 18:29
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Is “IF” expensive?
...uctions to testing the result of a function that calls out to a remote database.
I wouldn't worry about it. Unless you're doing embedded programming you probably shouldn't be concerned about the cost of "if" at all. For most programmers it's just not going to ever be the driving factor in your ap...
Why #egg=foo when pip-installing from git repo
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Importing a Swift protocol in Objective-C class
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Using Gulp to Concatenate and Uglify files
...king on.
gulp.task('scripts', function () {
return gulp.src(scripts, {base: '.'})
.pipe(plumber(plumberOptions))
.pipe(sourcemaps.init({
loadMaps: false,
debug: debug,
}))
.pipe(gulpif(debug, wrapper({
header: fileHeader,
...
Why aren't programs written in Assembly more often? [closed]
...a single line of yours using hundreds of different optimization techniques based on a vast amount of academic research that you would spend years getting at. I won't feel any embarrassment, not even a slight ick, when I convert a three-line loop to thousands of instructions just to make it faster. I...
C++ semantics of `static const` vs `const`
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MySQL: multiple tables or one table with many columns?
... better to have it one table, since it reduces the number of joins the database will need to do to retrieve results. I think some databases have a limit on the number of columns per table, but I wouldn't worry about it in normal cases, and you can always split it later if you need to.
If the data i...
Django ModelForm: What is save(commit=False) used for?
...ituation is to get the instance from form but only 'in memory', not in database. Before save it you want to make some changes:
# Modify the author in some way.
>>> new_author.some_field = 'some_value'
# Save the new instance.
>>> new_author.save()
...