大约有 47,000 项符合查询结果（耗时：0.0439秒） [XML]
Why is semicolon allowed in this python snippet?
...limit statements if you wish to put multiple statements on the same line.
Now, why is this allowed? It's a simple design decision. I don't think Python needs this semi-colon thing, but somebody thought it would be nice to have and added it to the language.
...
Scale image to fit a bounding box
...n it's container, and CSS can't do this.
The reason is that CSS does not know what the page looks like. It sets rules beforehand, but only after that it is that the elements get rendered and you know exactly what sizes and ratios you're dealing with. The only way to detect that is with JavaScript.
...
Use 'class' or 'typename' for template parameters? [duplicate]
...particularly clear, to be honest. in T::A *obj; the language, as far as I know, should parse the statement as a declaration because of the declaration rule: anything that looks like a declaration, even if it ambiguously looks like something else, should resolve into a declaration[0]. I also didn't f...
Can I recover a branch after its deletion in Git?
...bove - git checkout -b <branch> <sha>
– Snowcrash
May 29 '14 at 14:37
6
yea just scro...
How to create a multi-tenant database with shared table structures?
....
How many prospective tenants do you expect to target? You may be nowhere
near being able to estimate
prospective use with authority, but
think in terms of orders of magnitude:
are you building an application for
hundreds of tenants? Thousands? Tens
of thousands? More? The large...
How does Go compile so quickly?
...in a really fast compiler working on 286-class hardware. I think that even now, modern Pascal compilers (e.g. FreePascal) are faster than Go compilers.
share
|
improve this answer
|
...
Case objects vs Enumerations in Scala
...ons are a bit clumsy in Scala and have the feel of an awkward add-on, so I now tend to use case objects. A case object is more flexible than an enum:
sealed trait Currency { def name: String }
case object EUR extends Currency { val name = "EUR" } //etc.
case class UnknownCurrency(name: String) exte...
Add all files to a commit except a single file?
...ms. If you use main/* it is necessary to add -- in front of it to let git know that it is a path. The other two variants work without including the two dashes. (Tested in command prompt on Windows 7 with msysGit)
– dennisschagt
Nov 8 '14 at 14:06
...
Is it possible to listen to a “style change” event?
...
Things have moved on a bit since the question was asked - it is now possible to use a MutationObserver to detect changes in the 'style' attribute of an element, no jQuery required:
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutationRecord) {
...
What does set -e mean in a bash script?
...t - <(echo piping); echo continues, with false representing the command now erroring silently, will still print piping before exiting.
– bb010g
Aug 23 '19 at 7:26
add a com...