大约有 15,000 项符合查询结果（耗时：0.0293秒） [XML]
How can I make a Python script standalone executable to run without ANY dependency?
...
You can use py2exe as already answered and use Cython to convert your key .py files in .pyc, C compiled files, like .dll in Windows and .so on Linux.
It is much harder to revert than common .pyo and .pyc files (and also gain in performance!)...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...tutorial shows how branch prediction buffers work. The cache buffer is indexed by the lower portion of the address of the branch instruction. This works well unless two important uncorrelated branches share the same lower bits. In that case, you end-up with aliasing which causes many mispredicted ...
Ruby, remove last N characters from a string?
...
Ruby 2.5+
As of Ruby 2.5 you can use delete_suffix or delete_suffix! to achieve this in a fast and readable manner.
The docs on the methods are here.
If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here):
'abc123'.d...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
... which could be used to zip streams (this is illustrated in the tutorial Exploring Java8 Lambdas. Part 1 by Dhananjay Nene ). This function :
...
Create an enum with string values
...cript 1.8 you can use string literal types to provide a reliable and safe experience for named string values (which is partially what enums are used for).
type Options = "hello" | "world";
var foo: Options;
foo = "hello"; // Okay
foo = "asdf"; // Error!
More : https://www.typescriptlang.org/doc...
Format floats with standard json module
... answered Sep 19 '09 at 2:48
Alex MartelliAlex Martelli
725k148148 gold badges11261126 silver badges13241324 bronze badges
...
curl json post request via terminal to a rails app
I'm trying to create a user on my rails app with a curl command from os x terminal. No matter how I format the data, the app returns a responses that non of my validations have passed.
...
check if variable is dataframe
...
Use isinstance, nothing else:
if isinstance(x, pd.DataFrame):
... # do something
PEP8 says explicitly that isinstance is the preferred way to check types
No: type(x) is pd.DataFrame
No: type(x) == pd.DataFrame
Yes: isinstance(x, pd.DataFrame)
And don't eve...
Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
I know there are a few posts about Newtonsoft so hopefully this isn't exactly a repeat...I'm trying to convert JSON data returned by Kazaa's API into a nice object of some kind
...
Functional style of Java 8's Optional.ifPresent and if-not-Present?
...want to process it but what if I want to define the functionality and the execution will be then, check below enhancement;
public class OptionalConsumer<T> implements Consumer<Optional<T>> {
private final Consumer<T> c;
private final Runnable r;
public OptionalConsumer(Cons...