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Convert string to integer type in Go?
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For example,
package main
import (
"flag"
"fmt"
"os"
"strconv"
)
func main() {
flag.Parse()
s := flag.Arg(0)
// string to int
i, err := strconv.Atoi(s)
if err != nil {
// handle ...
Read specific columns from a csv file with csv module?
...column from this code is if you don't include your print statement in your for loop.
This is most likely the end of your code:
for row in reader:
content = list(row[i] for i in included_cols)
print content
You want it to be this:
for row in reader:
content = list(row[i] for i in in...
_=> what does this underscore mean in Lambda expressions?
...ut and from there, it spills over into other programming languages. It is, for example, also used in Ruby to mean the same thing as in this example, even though _ has absolutely no special significance in Ruby.
– Jörg W Mittag
May 6 '10 at 5:33
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json_encode is returning NULL?
For some reason the item "description" returns NULL with the following code:
10 Answers
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常用Git命令汇总 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...变)
git reset <file> #从暂存区恢复到工作区(不指定版本id,则默认为最后一次提交的版本id)
git reset . #从暂存区恢复到工作区
git reset $id # 恢复到指定的提交版本,该$id之后的版本提交都恢复到工作区
git reset --hard $id #恢复...
jQuery's .click - pass parameters to user function
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For thoroughness, I came across another solution which was part of the functionality introduced in version 1.4.3 of the jQuery click event handler.
It allows you to pass a data map to the event object that automatically gets...
A python class that acts like dict
...he instance's __dict__ - which essentially means you're creating two dicts for every instance.
– Aaron Hall♦
Jan 8 '17 at 0:39
8
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Change Image of ImageView programmatically in Android
...ect. Using setBackgroundResource() :( did not remove the existing image before using the new image.. so I got two images colliding there. setImageResource() worked tho :). Still .. the post got me on the right track - my thanks for both answers!
– Gene Bo
Oc...
Javascript : natural sort of alphanumerical strings
I'm looking for the easiest way to sort an array that consists of numbers and text, and a combination of these.
7 Answers
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How to template If-Else structures in data-bound views?
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Thanks for a comprehensive list of options. I guess my original code style works for simple cases. I'll check out the other options when the need arises.
– Jensen Ching
Jul 19 '12 at 6:26
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