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What does “all” stand for in a makefile?

...rning Makefiles but for me it is still unclear for what the target "all" stands for and what it does. 4 Answers ...
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ContextLoaderListener or not?

A standard spring web application (created by Roo or "Spring MVC Project" Template) create a web.xml with ContextLoaderListener and DispatcherServlet . Why do they not only use the DispatcherServlet and make it to load the complete configuration? ...
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Making 'git log' ignore changes for certain paths

...now (git 1.9/2.0, Q1 2014) with the introduction pathspec magic :(exclude) and its short form :! in commit ef79b1f and commit 1649612, by Nguyễn Thái Ngọc Duy (pclouds), documentation can be found here. You now can log everything except a sub-folder content: git log -- . ":(exclude)sub" git lo...
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Changing the cursor in WPF sometimes works, sometimes doesn't

... it will not disable any further mouse inputs. I tried using this solution and although the mouse changed to the wait cursor I am still able to click any UI element within my WPF application without any problem. Any ideas how I can prevent the user from actually using the mouse during the wait curso...
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Git: Discard all changes on a diverged local branch

...branch blows away the branch's reflog. Resetting the branch, on the other hand not only preserves the reflog, but actually records the reset in the reflog. This makes the operation easily reversible later, if needed. – Dan Moulding Mar 30 '11 at 22:36 ...
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Difference between RegisterStartupScript and RegisterClientScriptBlock?

Is the only difference between the RegisterStartupScript and the RegisterClientScriptBlock is that RegisterStartupScript puts the javascript before the closing </form> tag of the page and RegisterClientScriptBlock puts it right after the starting <form> tag of the page? ...
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How do I use the new computeIfAbsent function?

...t without a helper method (but you won’t see the debugging output then). And even simpler, as it is a simple delegation to an existing method you could write: whoLetDogsOut.computeIfAbsent("snoop", String::isEmpty); This delegation does not need any parameters to be written. To be closer to the e...
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The differences between .build, .create, and .create! and when should they be used?

So I've been seeing people using .build , .create , and .create! within their controllers more and more lately. What's the difference from just using .new and passing the param'd object and then .save ? Are there pros and cons? Does using these other methods offer benefits? ...
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Compare integer in bash, unary operator expected

...at variable substitutions are done, the shell proceeds with the comparison and.... fails because it cannot see anything intelligible to the left of -gt. However, quoting $i: if [ "$i" -ge 2 ] ; then ... becomes: if [ " " -ge 2 ] ; then ... The shell now sees the double-quotes, and knows th...
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How does zip(*[iter(s)]*n) work in Python?

...unction call. Therefore you're passing the same iterator 3 times to zip(), and it pulls an item from the iterator each time. x = iter([1,2,3,4,5,6,7,8,9]) print zip(x, x, x) share | improve this a...