大约有 44,684 项符合查询结果（耗时：0.0444秒） [XML]
What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
...
Base64 is not encryption -- it's an encoding. It's a way of representing binary data using only printable (text) characters.
See this paragraph from the wikipedia page for HTTP Basic Authentication:
While encoding the user name and password with t...
What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]
...
The official name is "object operator" - T_OBJECT_OPERATOR. I call it "arrow".
share
|
improve this answer
|
follow
|
...
Writing unit tests in Python: How do I start? [closed]
I completed my first proper project in Python and now my task is to write tests for it.
7 Answers
...
Visual Studio 2013 doesn't discover unit tests
...io 2013 that is composed by one web project, one library project and one unit test project. When I open the solution and try to run the unit tests they are not discover by visual studio. To run the tests I try to go to the menu and choose Test -> Run -> Run all tests or by opening the test explorer ...
Google OAuth 2 authorization - Error: redirect_uri_mismatch
On the website https://code.google.com/apis/console I have registered my application, set up generated Client ID: and Client Secret to my app and tried to log in with Google.
Unfortunately, I got the error message:
...
What is the meaning of “this” in Java?
...w MyThisTest() will print
1
42
MyThisTest a=42
So effectively you use it for multiple things:
clarify that you are talking about a field, when there's also something else with the same name as a field
refer to the current object as a whole
invoke other constructors of the current class in you...
INSERT INTO vs SELECT INTO
...different things. Use INSERT when the table exists. Use SELECT INTO when it does not.
Yes. INSERT with no table hints is normally logged. SELECT INTO is minimally logged assuming proper trace flags are set.
In my experience SELECT INTO is most commonly used with intermediate data sets, like #t...
Binary Data in MySQL [closed]
...er by phpguy is correct but I think there is a lot of confusion in the additional details there.
The basic answer is in a BLOB data type / attribute domain. BLOB is short for Binary Large Object and that column data type is specific for handling binary data.
See the relevant manual page for MySQL...
javascript check for not null
...
It's because val is not null, but contains 'null' as a string.
Try to check with 'null'
if ('null' != val)
For an explanation of when and why this works, see the details below.
...
Should I learn C before learning C++? [closed]
I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...