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Convert string to integer type in Go?
...
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 error
fmt.Println(err)
os.Exit(2)
}
fmt...
addEventListener not working in IE8
... window.attachEvent ? 'onclick' : 'click';
addEvent(event, function(){
alert('Hello!')
});
Instead of 'click' can be any event of course.
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...
vagrant up failed, /dev/vboxnetctl: no such file or directory
...
I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2.
This worked for me:
Grant permission to VirtualBox under System Preferences > Security & Privacy > General (this request is new to macOS High Sierra)
Open Terminal and r...
POST Content-Length exceeds the limit
...iles[0].size/1024/1024;
if (fileSize > 2) { // 2M
alert('Your custom message for max file size exceeded');
$('#your_input_file_id').val('');
}
});
});
What is “android.R.layout.simple_list_item_1”?
...a reference to an built-in XML layout document that is part of the Android OS, rather than one of your own XML layouts.
Here is a further list of layouts that you can use:
http://developer.android.com/reference/android/R.layout.html
(Updated link thanks @Estel: https://github.com/android/platform_...
How to update PATH variable permanently from Windows command line?
...
This Python-script[*] does exactly that:
"""
Show/Modify/Append registry env-vars (ie `PATH`) and notify Windows-applications to pickup changes.
First attempts to show/modify HKEY_LOCAL_MACHINE (all users), and
if not accessible due t...
What can you use Python generator functions for?
I'm starting to learn Python and I've come across generator functions, those that have a yield statement in them. I want to know what types of problems that these functions are really good at solving.
...
Increasing (or decreasing) the memory available to R processes
...acity.
You may also set the amount of
available memory manually. Close R,
then right-click on your R program
icon (the icon on your desktop or in
your programs directory). Select
``Properties'', and then select the
``Shortcut'' tab. Look for the
``Target'' field and after the clo...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...打算升级
升级过程很顺利
具体情况这里http://pkgs.org/centos-6/ghettoforge-testing-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi C...
CMake: How to build external projects and include their targets
...se build repeatability because 2 years from now somebody running the build script will get a different version than what you did. CMake's docs recommend this too.
– jrh
Mar 24 at 16:17
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