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How to read a file in reverse order?
...ous chunk starts right from the beginning of line
# do not concat the segment to the last line of new chunk.
# Instead, yield the segment first
if buffer[-1] != '\n':
lines[-1] += segment
else:
y...
How can I get a JavaScript stack trace when I throw an exception?
...trace() {
function st2(f) {
return !f ? [] :
st2(f.caller).concat([f.toString().split('(')[0].substring(9) + '(' + f.arguments.join(',') + ')']);
}
return st2(arguments.callee.caller);
}
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Serializing object that contains cyclic object value
...
if (stack.includes(obj))
return null;
let s = stack.concat([obj]);
return Array.isArray(obj)
? obj.map(x => decycle(x, s))
: Object.fromEntries(
Object.entries(obj)
.map(([k, v]) => [k, decycle(v, s)]));
}
//
...
ReactJS Two components communicating
...; i <= this.state.numOfDays; i++) {
dayNodes = dayNodes.concat([<DayNumber dayNum={i} />]);
}
return (
<select id={this.props.id} onChange = {this.handleDaySelection}>
<option value="" disabled defaultValue...
Reading large text files with streams in C#
...gBuilder need to read the MSDN more often:
Performance Considerations
The Concat and AppendFormat methods both concatenate new data to an existing String or StringBuilder object. A String object concatenation operation always creates a new object from the existing string and the new data. A StringB...
How can I get a resource “Folder” from inside my jar File?
...nput Stream will have all the files name from that dir. After that you can concat the dir path with each file name and call getResourceAsStream for each file in a loop.
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What is the difference between a mutable and immutable string in C#?
...is mutable)
so if you have to alter a string many times, such as multiple concatenations, then use StringBuilder.
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CSS hexadecimal RGBA?
... = 'rgba(' + matches.slice(1).map(function(m) { return parseInt(m, 16); }).concat(a) + ')';
– PointedEars
Nov 27 '11 at 14:47
...
Tree data structure in C#
... IEnumerable<T> Flatten()
{
return new[] {Value}.Concat(_children.SelectMany(x => x.Flatten()));
}
}
}
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...
To prevent a memory leak, the JDBC Driver has been forcibly unregistered
...(SQLException ex) {
logger.info("Could not deregister driver:".concat(ex.getMessage()));
}
// 3. For added safety, remove the reference to dataSource for GC to enjoy.
dataSource = null;
}
}
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