大约有 48,000 项符合查询结果（耗时：0.0593秒） [XML]
Automatic creation date for Django model form objects?
What's the best way to set a creation date for an object automatically, and also a field that will record when the object was last updated?
...
Best way of returning a random boolean value
...
A declarative snippet using Array#sample:
random_boolean = [true, false].sample
share
|
improve this answer
|
follow
|
...
Can you use hash navigation without affecting history?
...he hash value of a URL without leaving an entry in the browser's history and without reloading ? Or do the equivalent?
4...
.NET 4.0 build issues on CI server
...stall VS anymore, you can install the "Microsoft Windows SDK for Windows 7 and .NET Framework 4" now.
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=6b6c21d2-2006-4afa-9702-529fa782d63b
share
...
How to resolve “must be an instance of string, string given” prior to PHP 7?
...Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error message may be funny, but it's not supposed to work to begin with. Give...
Sort array of objects by string property value
...are function body: return a.value - b.value; (ASC)
– Andre Figueiredo
Jan 8 '14 at 12:06
23
@Cerb...
What are the differences between .so and .dylib on osx?
...
The Mach-O object file format used by Mac OS X for executables and libraries distinguishes between shared libraries and dynamically loaded modules. Use otool -hv some_file to see the filetype of some_file.
Mach-O shared libraries have the file type MH_DYLIB and carry the extension .dyli...
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...th a condition like data[c] & 0x80 or so that can be true for positive and negative values?). I had compilers make invalid optimisations (for example, a couple of years ago, I had an ICC (11.0, iirc) use signed-32-bit-int-to-double conversion in 1.0/n where n was an unsigned int. Was about twice...
How to share my Docker-Image without using the Docker-Hub?
...hout using the Docker-Hub or a Dockerfile but the 'real' Docker-Image? And what is exactly happening when I 'push' my Docker-Image to Docker-Hub?
...
Does JSON syntax allow duplicate keys in an object?
...
From the standard (p. ii):
It is expected that other standards will refer to this one, strictly adhering to the JSON text format, while
imposing restrictions on various encoding details. Such standards may require specific behavi...