大约有 45,000 项符合查询结果（耗时：0.0601秒） [XML]
how to create a file name with the current date & time in python?
... problem (answers your question) of getting a string with the current time and date format you specify:
import time
timestr = time.strftime("%Y%m%d-%H%M%S")
print timestr
yields:
20120515-155045
so your filename could append or use this string.
...
Get the current file name in gulp.src()
...it cleaner).
Another options is gulp-filesize, which outputs both the file and it's size.
If you want more control, you can use something like gulp-tap, which lets you provide your own function and look at the files in the pipe.
...
When correctly use Task.Run and when just async-await
...ait Task.Run(() => DoWork());
Methods that are a mixture of CPU-bound and I/O-bound should have an Async signature with documentation pointing out their CPU-bound nature:
// Documentation: This method is CPU-bound.
Task DoWorkAsync();
Which you would also call using Task.Run (since it is par...
Change a column type from Date to DateTime during ROR migration
...f you're wondering why a single change method isn't used instead of the up and down methods, it's because the change method doesn't support the change_column migration definition.
– Dennis
Feb 25 '14 at 21:35
...
Where should Rails 3 custom validators be stored?
... @Doug you need to restart your server. The autoload paths are expanded on initialization so new subfolders will not get picked up until you do that.
– Timo
Oct 8 '12 at 23:36
...
Difference between Array and List in scala
In what cases I should use Array(Buffer) and List(Buffer). Only one difference that I know is that arrays are nonvariant and lists are covariant. But what about performance and some other characteristics?
...
Is there any way to close a StreamWriter without closing its BaseStream?
...
@Yepeekai: "if I pass a stream to a sub method and that sub method create the StreamWriter, it will be disposed at the end of the execution of that sub method" No, that's simply not true. It will only be disposed if something calls Dispose on it. The method ending doesn't...
Is leaked memory freed up when the program exits?
If I programmed — without knowing it — a memory leak, and the application terminates, is the leaked memory freed?
6 Ans...
How to make Entity Framework Data Context Readonly
...rd party plugins. The purpose is to allow these plugins to fetch data only and not to let them issue inserts, updates or deletes or any other database modification commands. Hence how can I make a data context or entity readonly.
...
How is attr_accessible used in Rails 4?
...ctice, though, this moves Rails away from fat model, thin controller, etc, and towards thin models, and really bloated controllers. You have to write all this stuff for every instance, it doesn't read nicely, and nesting seems to be a pain. The old attr_accessible/attr_accessor in the model system...