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TypeScript sorting an array
... a function that returns number, not boolean.
You need to return negative if the first item is smaller; positive if it it's larger, or zero if they're equal.
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How can I convert a string to boolean in JavaScript?
...esn't make any implicit type conversions when the compared variables have different types, instead of the equality operator (==).
var isTrueSet = (myValue === 'true');
Don't:
You should probably be cautious about using these two methods for your specific needs:
var myBool = Boolean("false"); ...
Proper way to catch exception from JSON.parse
...
i post something into an iframe then read back the contents of the iframe with json parse...so sometimes it's not a json string
Try this:
if(response) {
try {
a = JSON.parse(response);
} catch(e) {
alert(e); // error in the...
Checking if a field contains a string
I'm looking for an operator, which allows me to check, if the value of a field contains a certain string.
10 Answers
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Should I put #! (shebang) in Python scripts, and what form should it take?
...iven in PEP 394, is that python can refer either to python2 or python3 on different systems. It currently refers to python2 on most distributions, but that is likely to change at some point.
Also, DO NOT Use:
#!/usr/local/bin/python
"python may be installed at /usr/bin/python or /bin/python i...
Split string every nth character?
...ve answer is really only just a for loop but expressed pythonically. Also, if you need to remember a "simplistic" answer, there are at least hundreds of thousands of ways to remember them: starring the page on stackoverflow; copying and then pasting into an email; keeping a "helpful" file with stuff...
Split a vector into chunks in R
...e here. Although the OP's question was to split into chunks of equal size, if the vector happens not to be a multiple of the divisor, the last chink will have a different size than chunk. To split into n-chunks I used max <- length(d)%/%n. I used this with a vector of 31 strings and obtained a li...
Adding a new array element to a JSON object
... it so you can apply the changes to a native JavaScript Object, then stringify back to JSON
var jsonStr = '{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}';
var obj = JSON.parse(jsonStr);
obj['theTeam'].push({"teamId":"4","status":"...
Iterate through a HashMap [duplicate]
... + " = " + pair.getValue());
it.remove(); // avoids a ConcurrentModificationException
}
}
Read more about Map.
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Fastest way to check if a file exist using standard C++/C++11/C?
I would like to find the fastest way to check if a file exist in standard C++11, C++, or C. I have thousands of files and before doing something on them I need to check if all of them exist. What can I write instead of /* SOMETHING */ in the following function?
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