大约有 30,000 项符合查询结果（耗时：0.0484秒） [XML]
How to configure MongoDB Java driver MongoOptions for production use?
...r the replication of your write to "w" members). You can also set w to the string "majority" which tells MongoDB to perform the write to the majority of replica set members (WriteConcern.MAJORITY). Typicall you should set this to 1 unless you need raw performance (-1 or 0) or replicated writes (>...
How to write an async method with out parameter?
...orad I especially like this: private async Task<(bool success, Job job, string message)> TryGetJobAsync(...)
– J. Andrew Laughlin
Oct 26 '18 at 15:26
...
gradle build fails on lint task
I have a simple android project that I created with Android Studio 0.4.0.
I use Gradle 1.9 and Gradle Android Plugin 0.7. Yesterday I've added Jake Wharton's ButterKnife library in my gradle build script:
...
Use of Java's Collections.singletonList()?
...import java.util.*;
public class HelloWorld {
public static void main(String args[]) {
// create an array of string objs
String initList[] = { "One", "Two", "Four", "One",};
// create one list
List list = new ArrayList(Arrays.asList(initList));
System.o...
An efficient way to transpose a file in Bash
... ")|transpose|map(join(" "))[]'
jq -R . prints each input line as a JSON string literal, -s (--slurp) creates an array for the input lines after parsing each line as JSON, and -r (--raw-output) outputs the contents of strings instead of JSON string literals. The / operator is overloaded to split s...
LINQ: Select an object and change some properties without creating a new object
...
@spiderdevil +1 for you - don't you just hate the disparity? This isn't the first time I have run into a situation where code only works for Linq to Object and not Linq to SQL/EF. This might be a solution here, but I haven't tri...
Alternate FizzBuzz Questions [closed]
... of the problems I've seen, in order of increasing difficulty:
Reverse a string
Reverse a sentence ("bob likes dogs" -> "dogs likes bob")
Find the minimum value in a list
Find the maximum value in a list
Calculate a remainder (given a numerator and denominator)
Return distinct values from a lis...
Calling clojure from java
...
import com.domain.tiny;
public class Main {
public static void main(String[] args) {
System.out.println("(binomial 5 3): " + tiny.binomial(5, 3));
System.out.println("(binomial 10042, 111): " + tiny.binomial(10042, 111));
}
}
It's output is:
(binomial 5 3): 10.0
(binomi...
How to pretty print nested dictionaries?
...he only thing I can say against it is that it don't produce a valid python string, but can almost be converted back in python.
– y.petremann
Oct 6 '14 at 4:49
1
...
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.
share
|
...