大约有 49,000 项符合查询结果（耗时：0.1516秒） [XML]
Chained method calls indentation style in Python [duplicate]
...
The need for this style becomes more obvious as method names get longer and as methods start taking arguments:
return some_collection.get_objects(locator=l5) \
.get_distinct(case_insensitive=True) \
.filter(predicate=query(q5)) \
...
Avoid trailing zeroes in printf()
...ll remove all but the first N decimals, then strip off the trailing zeros (and decimal point if they were all zeros).
char str[50];
sprintf (str,"%.20g",num); // Make the number.
morphNumericString (str, 3);
: :
void morphNumericString (char *s, int n) {
char *p;
int count;
p = str...
How do I make a batch file terminate upon encountering an error?
I have a batch file that's calling the same executable over and over with different parameters. How do I make it terminate immediately if one of the calls returns an error code of any level?
...
How does Hadoop process records split across block boundaries?
...nteresting question, I spent some time looking at the code for the details and here are my thoughts. The splits are handled by the client by InputFormat.getSplits, so a look at FileInputFormat gives the following info:
For each input file, get the file length, the block size and calculate the spli...
Spring RestTemplate timeout
...sing Spring's RestTemplate to talk to my service. I've done some research and I've found and used the xml below (in my application xml) which I believe is meant to set the timeout. I'm using Spring 3.0.
...
What exactly are iterator, iterable, and iteration?
What is the most basic definition of "iterable", "iterator" and "iteration" in Python?
13 Answers
...
Apache Spark: map vs mapPartitions?
What's the difference between an RDD's map and mapPartitions method? And does flatMap behave like map or like mapPartitions ? Thanks.
...
Get key by value in dictionary
I made a function which will look up ages in a Dictionary and show the matching name:
34 Answers
...
passport.js RESTful auth
How does one handle authentication (local and Facebook, for example) using passport.js, through a RESTful API instead of through a web interface?
...
Git pull without checkout?
I'm used to running git pull and other commands from within a branch I'm working on. But I have set up a development server that several people work on, so I don't want to have to switch branches when I do it. If I want to update an existing branch on the dev server from the github repository we a...