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Class vs. static method in JavaScript
...guages like Java/C#. A good example of a use case would be a function like Array.isArray().
– zzzzBov
Oct 8 '11 at 6:01
7
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How do shift operators work in Java? [duplicate]
... any sign-extended bits so that the value can be used as an index into the array of hexadecimal characters.
// Masking sign extension.
class HexByte {
static public void main(String args[]) {
char hex[] = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e',...
check if variable is dataframe
... like import pandas.DataFrame as panda_type and then inside then check the array type using isinstance(var, panda_type)
– pacificgilly1992
Dec 31 '18 at 20:13
add a comment
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How to join NSArray elements into an NSString?
Given an NSArray of NSStrings, is there a quick way to join them together into a single NSString (with a Separator)?
3 Answ...
Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
...sure your JSON is valid. Add your own object at the start if it is just an array of objects. i.e. {"obj":[{},{},{}]}
** I know that dynamic makes things easier sometimes but I'm a bit ol'skool with this.
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How to read a local text file?
...that takes in the file’s path and converts each line of text into a char array, but it’s not working.
20 Answers
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Is it possible only to declare a variable without assigning any value in Python?
...e is defined or not then why not check if its in the locals() or globals() arrays? Your code rewritten:
for index in sequence:
if 'value' not in globals() and conditionMet:
value = index
break
If it's a local variable you are looking for then replace globals() with locals().
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Writing files in Node.js
...ilename or file descriptor
data <string> | <Buffer> | <Uint8Array>
options <Object> | <string>
callback <Function>
Worth reading the offical File System (fs) docs.
Update: async/await
fs = require('fs');
util = require('util');
writeFile = util.promisify(fs.write...
How do I count the number of occurrences of a char in a String?
...ion without taking a look at what the jit does. If you did the above on an array for loop for example you might make things worse.
– ShuggyCoUk
Nov 30 '09 at 11:15
5
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How to read and write excel file
...elsheet
Row row = sheet.createRow(rownum++);
//get object array of prerticuler key
Object[] objArr = data.get(key);
int cellnum = 0;
for (Object obj : objArr)
{
Cell cell = row.createCell(cellnum++);
if (obj instanceof Strin...