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How can I print each command before executing? [duplicate]
...thing then)
And remember, there is bashdb (bash Shell Debugger, release 4.0-0.4)
To revert to normal, exit the subshell or
set +o xtrace
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scrapyd 转入后台daemon守护模式运行的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...新建文件/etc/init.d/scrapyd，名称为scrapyd
#!/bin/bash
PORT=6800
HOME="/var/scrapyd"
BIN="/usr/local/bin/scrapyd"
pid=`netstat -lnopt | grep :$PORT | awk '/python/{gsub(/\/python/,"",$7);print $7;}'`
start() {
if [ -n "$pid" ]; then
echo "server already start,pid:$pid"
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Centering a div block without the width
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Update 27 Feb 2015: My original answer keeps getting voted up, but now I normally use @bobince's approach instead.
.child { /* This is the item to center... */
display: inline-block;
}
.parent { /* ...and this is its parent container. */...
Get local IP address
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ivan_pozdeev
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answered Jul 23 '11 at 20:26
MrchiefMrchief
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Background ListView becomes black when scrolling
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Add an attribute on the ListView Tag
android:cacheColorHint="#00000000" // setting transparent color
For more details check this blog
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How can I create and style a div using JavaScript?
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var div = document.createElement("div");
div.style.width = "100px";
div.style.height = "100px";
div.style.background = "red";
div.style.color = "white";
div.innerHTML = "Hello";
document.getElementById("main").appendChild(div);
<body>
<div id="main"></div>
&...
jQuery UI accordion that keeps multiple sections open?
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answered Aug 13 '10 at 17:55
MvanGeestMvanGeest
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text-overflow:ellipsis in Firefox 4? (and FF5)
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+100
Spudley, you could achieve the same thing by writing a small JavaScript using jQuery:
var limit = 50;
var ellipsis = "...";
if( $('#...
Android: How do I get string from resources using its name?
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1101
The link you are referring to seems to work with strings generated at runtime. The strings from...
What is the difference between syntax and semantics in programming languages?
...
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