大约有 45,000 项符合查询结果(耗时:0.0655秒) [XML]
What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
I have the warning message given in the title. I would like to understand and remove it. I found already some answers on this question but I do not understand these answers because of an overload with technical terms. Is it possible to explain this issue with simple words?
...
What's the rationale for null terminated strings?
...ments general rules by a few
conventions. In both BCPL and B a
string literal denotes the address of
a static area initialized with the
characters of the string, packed into
cells. In BCPL, the first packed byte
contains the number of characters in
the string; in B, there is no count
...
Difference between java.util.Random and java.security.SecureRandom
...ource code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that generates the random values:
This is a linear congruential pseudorandom number generator, as
defined by D. H. Lehmer and described by Donald E. Knuth in
The Art of Computer Programming,...
What is Virtual DOM?
Recently, I looked at Facebook's React framework. It uses a concept called "the Virtual DOM," which I didn't really understand.
...
Fast Bitmap Blur For Android SDK
...ion that I'm developing I'm looping through the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image.
...
Struct like objects in Java
Is it completely against the Java way to create struct like objects?
20 Answers
20
...
Why not use exceptions as regular flow of control?
...per second in the normal course of operation ?
I have.
The program was quite complex (it was a distributed calculation server), and a slight modification at one side of the program could easily break something in a totally different place.
I wish I could just have launched the program and wait fo...
Which cryptographic hash function should I choose?
The .NET framework ships with 6 different hashing algorithms:
9 Answers
9
...
Multithreading: What is the point of more threads than cores?
I thought the point of a multi-core computer is that it could run multiple threads simultaneously. In that case, if you have a quad-core machine, what's the point of having more than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other?
...
Check if a variable is a string in JavaScript
...fied though).
This won't work as expected in the case of strings created with new String(), but this is seldom used and recommended against[1][2]. See the other answers for how to handle these, if you so desire.
The Google JavaScript Style Guide says to never use primitive object wrappers.
Doug...