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Why can't I assign a *Struct to an *Interface?
...
This is perhaps what you meant:
package main
type Interface interface{}
type Struct struct{}
func main() {
var ps *Struct
var pi *Interface
pi = new(Interface)
*pi = ps
_, _ = pi, ps
}
Compil...
Powershell equivalent of bash ampersand (&) for forking/running background processes
... me it seems that something started with Start-Job will be killed when the PS shell exits. In contrast it seems that something started with Start-Process will continue to run after the PS shell exits. This is a major difference.
– peterh
Nov 8 '13 at 9:32
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Load RSA public key from file
...be obtained but saving raw data ( without encoding base64).
I hope this helps programmers.
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOEx...
Passing argument to alias in bash [duplicate]
... great since you get all the perks that functions give (see completion, traps, bind, etc for the goodies that functions can provide, in the bash manpage).
I hope that helps you out :)
share
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impro...
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9月17日，胡润研究院发布《20...
Filter LogCat to get only the messages from My Application in Android?
I observed that when i use Logcat with Eclipse with ADT for Android, I get messages from many other applications as well. Is there a way to filter this and show only messages from my own application only.
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Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout
...ombie?) server (can happen when quitting terminal with server running):
$ ps ax | grep rails
If it returns something like:
33467 s002 S+ 0:00.00 grep rails
33240 s003 S+ 0:15.05 /Users/Arta/.rbenv/versions/1.9.2-p290/bin/ruby script/rails s -p 3000
kill it, and run anew:
$ kill -9 33240
$ rai...
How to show line number when executing bash script
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You mention that you're already using -x. The variable PS4 denotes the value is the prompt printed before the command line is echoed when the -x option is set and defaults to : followed by space.
You can change PS4 to emit the LINENO (The line number in the script or shell funct...
How to profile a bash shell script slow startup?
...bash.bashrc (or wherever you'd like to begin a trace in any Bash script):
PS4='+ $(date "+%s.%N")\011 '
exec 3>&2 2>/tmp/bashstart.$$.log
set -x
add
set +x
exec 2>&3 3>&-
at the end of ~/.bashrc (or at the end of the section of any Bash script you'd like tracing to stop...
App Inventor 2 文本代码块 · App Inventor 2 中文网
...则当一个key是另一个key的子串时，第一个被替换是较长的那个。
案例：文本转数字
App Inventor 2 是弱语言类型，文本和数字之间不用刻意去转换，之间赋值就可以了。文本赋值给数字变量如下：
运行结果：124
注意：数字变...