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Check if bash variable equals 0 [duplicate]

...ro), but it requires two arguments. That is why you get the unary operator error message. EDIT: As Doktor J mentioned in his comment to this answer, a safe way to avoid problems with unset variables in checks is to enclose the variables in "". See his comment for the explanation. if [ "$depth" -e...
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Android Studio 0.4 Duplicate files copied in APK META-INF/LICENSE.txt

... following code to project/app/build.gradle: android { // Fixed build error : Duplicate files copied in APK META-INF/xxx packagingOptions { exclude 'META-INF/DEPENDENCIES' exclude 'META-INF/NOTICE' exclude 'META-INF/LICENSE' exclude 'META-INF/NOTICE.txt' ...
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HTTP authentication logout via PHP

What is the correct way to log out of HTTP authentication protected folder? 18 Answers ...
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0

...ails with something like: ReBaseImage (msys-1.0.dll) failed with last error = 6 You will need to perform the following steps in order: Copy the dll to another directory Rebase the copy using the commands above Replace the original dll with the copy. If any issue run the commands as Admini...
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C# How can I check if a URL exists/is valid?

...om/silly"); } You would try/catch around the DownloadString to check for errors; no error? It exists... With C# 2.0 (VS2005): private bool headOnly; public bool HeadOnly { get {return headOnly;} set {headOnly = value;} } and using(WebClient client = new MyClient()) { // code as ...
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Can PHP PDO Statements accept the table or column name as parameter?

...l"; } By leaving no default case or using a default case that returns an error message you ensure that only values that you want used get used. share | improve this answer | ...
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typeof !== “undefined” vs. != null

...have been declared before: if(typeof neverDeclared === "undefined") // no errors if(neverDeclared === null) // throws ReferenceError: neverDeclared is not defined share | improve this answer ...
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In C#, how to check if a TCP port is available?

In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on my machine? ...
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Bootstrap trying to load map file. How to disable it? Do I need to do it?

...nt to do so? How to disable it? Do I need to disable it? To not to have an error mark in dev tools, I added that map file, after which all styles are displayed as they defined in less files, which doesn't help me much. ...
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Java; String replace (using regular expressions)?

... Still getting error "invalid escape sequence" ... am i missing something? – Dan Burzo Mar 10 '09 at 21:03 ...