大约有 40,000 项符合查询结果（耗时：0.0773秒） [XML]
Difference between JVM and HotSpot?
...ne code.
HotSpot is an an implementation of the JVM concept. It was originally developed by Sun and now it is owned by Oracle. There are other implementations of the JVM specification, like JRockit, IBM J9, among many others.
See List of Java Virtual Machine Implementations
The OpenJDK is a proj...
What are detached, persistent and transient objects in hibernate?
...(but can still be modified and reattached to a new Session later though).
All this is clearly explained in the whole Chapter 10. Working with objects of the Hibernate documentation that I'm only paraphrasing above. Definitely, a must-read.
...
Logical operators (“and”, “or”) in DOS batch
...an implicit conjunction.
IF Exist File1.Dat IF Exist File2.Dat GOTO FILE12_EXIST_LABEL
If File1.Dat and File1.Dat exist then jump the label FILE12_EXIST_LABEL.
See also: IF /?
share
|
improve th...
creating list of objects in Javascript
...ferent for you, I recommend to watch some Unity Tutorials on the Scripting API.
share
|
improve this answer
|
follow
|
...
Read a zipped file as a pandas DataFrame
... you want to read a zipped or a tar.gz file into pandas dataframe, the read_csv methods includes this particular implementation.
df = pd.read_csv('filename.zip')
Or the long form:
df = pd.read_csv('filename.zip', compression='zip', header=0, sep=',', quotechar='"')
Description of the compr...
Why doesn't a python dict.update() return the object?
...
Python's mostly implementing a pragmatically tinged flavor of command-query separation: mutators return None (with pragmatically induced exceptions such as pop;-) so they can't possibly be confused with accessors (and in the same vein, assignment is not an expressi...
Difference between sh and bash
When writing shell programs, we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them.
...
Facebook Architecture [closed]
...een scrounging for articles/info about the architecture at Facebook, the challenges & ways they tackle them. What they use & why they use. How do they scale & what are the design decisions for what they do etc. Main underpinning being to learn. Knowing about sites which handles such massive traffic ...
Docker - how can I copy a file from an image to a host?
...
Actually, I use docker run --rm --entrypoint tar _image_ cC _img_directory_ . | tar xvC _host_directory_
– caligari
Nov 30 '17 at 11:04
add a comment...
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
...n C# or VB.Net but it is possible in other CLR based languages. Hence the API must support this possibility and uses the type object.
So while it shouldn't ever be null, it may not in fact be a System.Exception.
See CLI spec section 10.5 (specifically CLS rule 40) for more details
...