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How do I check if file exists in Makefile so I can delete it?

...le exists: ifeq ($(UNAME),Darwin) SHELL := /opt/local/bin/bash OS_X := true else ifneq (,$(wildcard /etc/redhat-release)) OS_RHEL := true else OS_DEB := true SHELL := /bin/bash endif Update: I found a way which is really working for me: ifneq ("$(wildcard $(PATH_...
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Is HTML considered a programming language? [closed]

... No, HTML is not a programming language. The "M" stands for "Markup". Generally, a programming language allows you to describe some sort of process of doing something, whereas HTML is a way of adding context and structure to text. If you're looking to add more alphabet soup to your CV, don't classi...
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Unix shell script find out which directory the script file resides?

Basically I need to run the script with paths related to the shell script file location, how can I change the current directory to the same directory as where the script file resides? ...
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SVN upgrade working copy

...ion client to at least 1.7. With the command line client, you have to manually upgrade your working copy format by issuing the command svn upgrade: Upgrading the Working Copy Subversion 1.7 introduces substantial changes to the working copy format. In previous releases of Subversion, Sub...
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A Windows equivalent of the Unix tail command [closed]

I'm looking for the equivalent of the Unix 'tail' command that will allow me to watch the output of a log file while it is being written to. ...
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How to declare global variables in Android?

...em you are encountering is how to save state across several Activities and all parts of your application. A static variable (for instance, a singleton) is a common Java way of achieving this. I have found however, that a more elegant way in Android is to associate your state with the Application con...
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asynchronous vs non-blocking

What is the difference between asynchronous and non-blocking calls? Also between blocking and synchronous calls (with examples please)? ...
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git pull error :error: remote ref is at but expected

...he case-insensitive issue on Windows caused the problem. I fixed it by manually removing the ref in .git\refs\remotes\origin folder and then git pull again. – Roy Ling Apr 13 '15 at 5:14 ...
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Binary Data in MySQL [closed]

...t to run this code, and it will also not work on a semi up to date PHP installation (which is version 5). – Till Sep 14 '08 at 14:21 27 ...
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How to customize ?

Is it possible to change the appearance of <input type="file"> ? 18 Answers 18...