大约有 42,000 项符合查询结果(耗时:0.0483秒) [XML]
Union of dict objects in Python [duplicate]
...shahjapan This is not complex, this is great use of Python dict structure. And this is different from update (this solution is not updating anything).
– lajarre
Sep 13 '12 at 9:09
...
Qt: *.pro vs *.pri
What is the difference between *.pro and *.pri configuration files for qmake?
3 Answers
...
Storing SHA1 hash values in MySQL
...d just waste an additional byte for the length of the fixed-length field.
And I also wouldn’t store the value the SHA1 is returning. Because it uses just 4 bit per character and thus would need 160/4 = 40 characters. But if you use 8 bit per character, you would only need a 160/8 = 20 character l...
Is there a limit on how much JSON can hold?
I am using jquery, JSON, and AJAX for a comment system. I am curious, is there a size limit on what you can send through/store with JSON? Like if a user types a large amount and I send it through JSON is there some sort of maximum limit?
...
How to get a list of installed android applications and pick one to run
...sked a similar question to this earlier this week but I'm still not understanding how to get a list of all installed applications and then pick one to run.
...
Constructors in JavaScript objects
...
@BorisB, yes you do - this defines color and getColor on the Box object, otherwise you're assigning variables in the usual scope.
– Nick
Jun 15 '12 at 16:23
...
Is there a conditional ternary operator in VB.NET?
In Perl (and other languages) a conditional ternary operator can be expressed like this:
3 Answers
...
How to add double quotes to a string that is inside a variable?
...
and how to remove it while saving in database? I just want to remove additional double quote used for escaping and not both
– Anil Purswani
Sep 30 '14 at 10:35
...
Find maximum value of a column and return the corresponding row values using Pandas
...ut the length of the dataFrame & that index which satisfies the right hand side of the expression( .max()) returns the index, which in turn calls the complete row of that dataFrame
– penta
Feb 22 '19 at 5:28
...
When should I use “this” in a class?
...
The this keyword is primarily used in three situations. The first and most common is in setter methods to disambiguate variable references. The second is when there is a need to pass the current class instance as an argument to a method of another object. The third is as a way to call alter...
