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Open a file with su/sudo inside Emacs
Suppose I want to open a file in an existing Emacs session using su or sudo , without dropping down to a shell and doing sudoedit or sudo emacs . One way to do this is
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apache to tomcat: mod_jk vs mod_proxy
...at are the advantages and disadvantages of using mod_jk and mod_proxy for fronting a tomcat instance with apache?
3 Ans...
What does the “@” symbol mean in reference to lists in Haskell?
...ust syntactic sugar, with @ read aloud as "as". ps@(p:pt) gives you names for
the list: ps
the list's head : p
the list's tail: pt
Without the @, you'd have to choose between (1) or (2):(3).
This syntax actually works for any constructor; if you have data Tree a = Tree a [Tree a], then t@(T...
How to get one value at a time from a generator function in Python?
Very basic question - how to get one value from a generator in Python?
6 Answers
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How can I change the current URL?
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document.location.href = newUrl;
https://developer.mozilla.org/en-US/docs/Web/API/document.location
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How to make layout with rounded corners..?
How can I make a layout with rounded corners? I want to apply rounded corners to my LinearLayout .
18 Answers
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Check if null Boolean is true results in exception
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When you have a boolean it can be either true or false. Yet when you have a Boolean it can be either Boolean.TRUE, Boolean.FALSE or null as any other object.
In your particular case, your Boolean is null and the if statement triggers an implicit conversion to boolean th...
What is the purpose of .PHONY in a Makefile?
...ds that do not represent physical files in the file system. Good examples for this are the common targets "clean" and "all". Chances are this isn't the case, but you may potentially have a file named clean in your main directory. In such a case Make will be confused because by default the clean targ...
Using parameters in batch files at Windows command line
...eters specified in the command line -- this is very useful if you want to forward the parameters to another program.
There are also lots of important techniques to be aware of in addition to simply how to access the parameters.
Checking if a parameter was passed
This is done with constructs like...
What exactly happens when I set LoadUserProfile of IIS pool?
...ded user profiles. I would assume this is off by default to keep the behavior consistent, and an administrator has to opt-in to it.
I tried to enable LoadUserProfile for the application pool and it works now.
This is most likely because the Windows Cryptographic Service Provider was trying to ...