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How can I use a batch file to write to a text file?
... a script that can write one line of text to a text file in the same directory as the batch file.
7 Answers
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How do I convert a Java 8 IntStream to a List?
I'm looking at the docs for the IntStream , and I see an toArray method, but no way to go directly to a List<Integer>
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What is the difference between Set and List?
...
List is an ordered sequence of elements whereas Set is a distinct list of elements which is unordered (thank you, Quinn Taylor).
List<E>:
An ordered collection (also known as a
sequence). The user of this interface
has pr...
Mod of negative number is melting my brain
...et an array position so that it will loop round. Doing i %
arrayLength works fine for positive numbers but for negative numbers it all goes wrong.
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Any way to modify Jasmine spies based on arguments?
...nValue('Jane')
.withArgs('123').and.returnValue(98765);
});
});
For Jasmine versions earlier than 3.0 callFake is the right way to go, but you can simplify it using an object to hold the return values
describe('my fn', function() {
var params = {
'abc': 'Jane',
'123': 98765
...
Replace only some groups with Regex
...o encapsulate everything inside groups, no matter if need to identify them or not. That way you can use them in your replacement string. For example:
var pattern = @"(-)(\d+)(-)";
var replaced = Regex.Replace(text, pattern, "$1AA$3");
or using a MatchEvaluator:
var replaced = Regex.Replace(text...
How to delete/create databases in Neo4j?
...te/delete different databases in the graph database Neo4j like in MySQL? Or, at least, how to delete all nodes and relationships of an existing graph to get a clean setup for tests, e.g., using shell commands similar to rmrel or rm ?
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Validate decimal numbers in JavaScript - IsNumeric()
.... +true == 1; but true shouldn't be considered as "numeric").
I think is worth sharing this set of +30 unit tests made to numerous function implementations, and also share the one that passes all my tests:
function isNumeric(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
P.S. is...
Unique BooleanField value in Django?
...eeded to accomplish this task, what I've done is override the save method for the model and have it check if any other model has the flag already set (and turn it off).
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.BooleanField()
def ...
Convert javascript array to string
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If value is associative array, such code will work fine:
var value = { "aaa": "111", "bbb": "222", "ccc": "333" };
var blkstr = [];
$.each(value, function(idx2,val2) {
var str = idx2 + ":" + val2;
blkstr.push(str);
});
console.log(blkstr...