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How to correctly implement custom iterators and const_iterators?
...ustom container class for which I'd like to write the iterator and const_iterator classes.
6 Answers
...
Enum type constraints in C# [duplicate]
...: {3} ", IO.FileAccess.ReadWrite, IO.FileAccess.Read, IO.FileAccess.Write, _
Enums.HasFlags(IO.FileAccess.ReadWrite, IO.FileAccess.Read Or IO.FileAccess.Write))
' These fail to compile as expected:
'Console.WriteLine(Enums.HasFlags(IO.FileAccess.ReadWrite, IO.FileOptio...
Doing something before program exit
...
32
If you want something to always run, even on errors, use try: finally: like this -
def main():...
Disable migrations when running unit tests in Django 1.7
...lts in errors that tables are not being found.
– LS55321
Mar 15 '16 at 18:35
@LeeSemel in parallel mode you probably w...
How to use MDC with thread pools?
...ng setups.
– jlevy
Aug 25 '16 at 19:32
1
Just for completeness: if you are using Spring's ThreadP...
JavaScript: clone a function
...nction.prototype.clone = function() {
var cloneObj = this;
if(this.__isClone) {
cloneObj = this.__clonedFrom;
}
var temp = function() { return cloneObj.apply(this, arguments); };
for(var key in this) {
temp[key] = this[key];
}
temp.__isClone = true;
te...
How to concatenate two MP4 files using FFmpeg?
...puts).
ffmpeg -i opening.mkv -i episode.mkv -i ending.mkv \
-filter_complex "[0:v] [0:a] [1:v] [1:a] [2:v] [2:a]
concat=n=3:v=1:a=1 [v] [a]" \
-map "[v]" -map "[a]" output.mkv
Note that this method performs a re-encode.
2. concat demuxer
Use this method wh...
Split column at delimiter in data frame [duplicate]
...b','b|c','x|y'))
library(splitstackshape)
cSplit(df, "FOO", "|")
# ID FOO_1 FOO_2
# 1 11 a b
# 2 12 b c
# 3 13 x y
This particular function also handles splitting multiple columns, even if each column has a different delimiter:
df <- data.frame(ID=11:13,
...
MongoDb query condition on comparing 2 fields
...SODate("2017-01-20T10:55:08.000Z").getTime()
– leinaD_natipaC
Oct 1 '19 at 10:28
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Is there a built in function for string natural sort?
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SethMMortonSethMMorton
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