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How to add line breaks to an HTML textarea?

...r?) are not the same as HTML <br/> tags var text = document.forms[0].txt.value; text = text.replace(/\r?\n/g, '<br />'); UPDATE Since many of the comments and my own experience have show me that this <br> solution is not working as expected here is an example of how to append a ne...
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How to empty (“truncate”) a file on linux that already exists and is protected in someway?

...in linux system This will surely work in any format : truncate -s 0 file.txt share | improve this answer | follow | ...
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How do I load a PHP file into a variable?

...se if you want to get the source code of the PHP file, it's the same as a .txt file: $Vdata = file_get_contents('path/to/YOUR/FILE.php'); share | improve this answer | foll...
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App Inventor 2 CustomWebView 拓展:高级版Web浏览器,完美浏览现代Web前...

...浏览带端口url的页面,这款拓展统统解决。 .aix 拓展下载: cn.fun123.CustomWebView.aix 基础使用方法: 例如,使用此拓展访问 react 写的网页,效果如下: 而使用原生的Web浏览器则无法访问: 属性 AdHo...
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Check if a path represents a file or a folder

...for the following example: Path path = Paths.get("/some/path/to/dir/file.txt"); System.out.println(Files.isDirectory(path)); //return false System.out.println(Files.isRegularFile(path)); // return false So we see that in both case system return false. This is true for both java.io.File and jav...
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Difference between volatile and synchronized in Java

...// gets current copy ... int cod=myCopy.getErrorCode(); String txt=myCopy.getErrorText(); return (cod+" - "+txt); } // And so on, with myCopy always in a consistent state within and across calls // Eventually we will return to the code that gets the current SomeObject. Speaking...
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Can't access RabbitMQ web management interface after fresh install

...since the version 3.3.0 http://www.rabbitmq.com/release-notes/README-3.3.0.txt server ------ ... 25603 prevent access using the default guest/guest credentials except via localhost. If you want enable the guest user read this or this RabbitMQ 3.3.1 can not login with guest/guest # remov...
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Is there a Subversion command to reset the working copy?

...up D:\tmp\sql --remove-unversioned Out: D D:\tmp\sql\update\abc.txt share | improve this answer | follow | ...
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Reading settings from app.config or web.config in .NET

...countoffiles" value="7" /> <add key="logfilelocation" value="abc.txt" /> </appSettings> </configuration> You read the above application settings using the code shown below: using System.Configuration; You may also need to also add a reference to System.Configuration i...
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Check if a string has white space

...c. function checkNumeric() { var numericVal = document.getElementById("txt_numeric").value; if(isNaN(numericVal) || numericVal == "" || numericVal == null || numericVal.indexOf(' ') >= 0) { alert("Please, enter a numeric value!"); isValid = false; } else { isV...