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How to exclude a directory in find . command
...end into the skipped directory, but -not -path will be false whenever find tests each file.
Issues with -prune
-prune does what it's intended to, but are still some things you have to take care of when using it.
find prints the pruned directory.
TRUE That's intended behavior, it just doesn't d...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...要导出的文件名
-q: 指明导出数据的过滤条件
实例：test库中存在着一个students集合，集合中数据如下：
> db.students.find()
{ "_id" : ObjectId("5031143350f2481577ea81e5"), "classid" : 1, "age" : 20, "name" : "kobe" }
{ "_id" : ObjectId("5031144a50f2481577ea...
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...// Create 2 instances:
var ins1 = new Class(),
ins2 = new Class();
// Test the calc method:
console.log(ins1.calc(1,1), ins2.calc(1,1));
// -> 2, 2
// Change the prototype method
Class.prototype.calc = function () {
var args = Array.prototype.slice.apply(arguments),
res = 0, c;
...
How do I get an object's unqualified (short) class name?
...want to require that the object is a member of a certain class, the way to test it is with instanceof. If you want a more flexible way to signal certain constraints, the way to do that is to write an interface and require that the code implement that interface. Again, the correct way to do this is w...
What is the difference between Linq to XML Descendants and Elements
...
<?xml version="1.0" encoding="utf-8" ?>
<foo>
<bar>Test 1</bar>
<baz>
<bar>Test 2</bar>
</baz>
<bar>Test 3</bar>
</foo>
Code:
XDocument doc = XDocument.Load("input.xml");
XElement root = doc.Root;
foreach...
Building vs. Compiling (Java)
...y includes:
Generating sources (sometimes).
Compiling sources.
Compiling test sources.
Executing tests (unit tests, integration tests, etc).
Packaging (into jar, war, ejb-jar, ear).
Running health checks (static analyzers like Checkstyle, Findbugs, PMD, test coverage, etc).
Generating reports.
S...
Regex using javascript to return just numbers
...
Here's another one with which you can even debugger regexp: Online regex tester and debugger.
Update:
Another one: RegExr.
Update:
Regexper and Regex Pal.
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How do you calculate log base 2 in Java for integers?
...g a more general task - trying to implement int log(int x, int base):
The testing code:
static int pow(int base, int power) {
int result = 1;
for (int i = 0; i < power; i++)
result *= base;
return result;
}
private static void test(int base, int pow) {
int x = pow(base,...
Delete topic in Kafka 0.8.1.1
I need to delete the topic test in Apache Kafka 0.8.1.1.
14 Answers
14
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How Do I Convert an Integer to a String in Excel VBA?
...ng was not found.
But adding an empty string to the value works, too.
Dim Test As Integer, Test2 As Variant
Test = 10
Test2 = Test & ""
//Test2 is now "10" not 10
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