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How does the “this” keyword work?
...alled on an object, ThisBinding is set to window.
This is different from Python, in which accessing a method (obj.myMethod) creates a bound method object.
var obj = {
myMethod: function () {
return this; // What is `this` here?
}
};
var myFun = obj.myMethod;
console.log("this ...
How to get the last N rows of a pandas DataFrame?
...
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How can I use 'Not Like' operator in MongoDB
... would become:
db.test.find({c: {$not: /ttt/}}
EDIT2 (@KyungHoon Kim):
In python, below one works:
'c':{'$not':re.compile('ttt')}
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Format a Go string without printing?
...t for string formatting from template (it allow to format strings in C# or Python style, just first version for very simple cases), you could find it here https://github.com/Wissance/stringFormatter
it works in following manner:
func TestStrFormat(t *testing.T) {
strFormatResult, err := Format(...
Mocha / Chai expect.to.throw not catching thrown errors
...ample given.
homegrownAssertThrows(model.get, z);
// a style common in Python, but not in JavaScript
You can check for specific errors using any assertion library:
Node
assert.throws(() => x.y.z);
assert.throws(() => x.y.z, ReferenceError);
assert.throws(() => x.y.z, Reference...
R memory management / cannot allocate vector of size n Mb
...fficient to call the inner portion of the loop via Rscript (from a BASH or Python Script), and collate/aggregate the results afterwards in a different script. That way, the memory is completely freed after each iteration. There is a bit of wasted computation from re-loading/re-computing the variable...
Get Folder Size from Windows Command Line
...apache-jmeter-3.1
54,39 C:\my\Tools\mongoadmin
47,89 C:\my\Tools\Python27
35,22 C:\my\Tools\robomongo
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Utils to read resource text file to String (Java) [closed]
... like to rely on many dependencies anyway, mostly due to ignorance). Or in Python:
with open('some-file.txt', 'r') as f:
content = f.read()
It's sad, but it's still simple for Java's standards and all you have to do is copy the method above to your project and use it. I don't even ask you to ...
Retrieve list of tasks in a queue in Celery
...ull picture is that you need to query redis for every priority of task. In python (and from the Flower project), this looks like:
PRIORITY_SEP = '\x06\x16'
DEFAULT_PRIORITY_STEPS = [0, 3, 6, 9]
def make_queue_name_for_pri(queue, pri):
"""Make a queue name for redis
Celery uses PRIORITY_S...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
...t would fire an insert as it should.
IMPLEMENTATION
Add this to your pom.xml -
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<version>3.2.10</version>
</dependency>
Make this class to create dynamic proxy -
@SuppressWarning...