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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
Is there any differences in invoking variables with syntax ${var} and $(var) ? For instance, in the way the variable will be expanded or anything?
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Creating an index on a table variable
Can you create an index on a table variable in SQL Server 2000?
3 Answers
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Node.js app can't run on port 80 even though there's no other process blocking the port
I'm running an instance of Debian on Amazon EC2 with Node.js installed. If I run the code below:
9 Answers
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Getting pids from ps -ef |grep keyword
I want to use ps -ef | grep "keyword" to determine the pid of a daemon process (there is a unique string in output of ps -ef in it).
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
What is the difference between ampersand and semicolon in Linux Bash ?
3 Answers
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Prevent ViewPager from destroying off-screen views
I have a ViewPager hooked up to a FragmentPagerAdapter that's displaying three fragments. The ViewPager appears to destroy a hosted fragment's view when it is more than one swipe away from the current position.
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How to list all installed packages and their versions in Python?
Is there a way in Python to list all installed packages and their versions?
11 Answers
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Aligning UIToolBar items
I have three UIBarButtonItem created as below. They align left and I'd like to align center so there isn't a gap on the right side. I don't see an align property on UIToolBar . Is there another way to accomplish this?
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PHP foreach loop key value
I am running this DB call to get me multi-dimensional array
I am trying to get the keys of each but when I try it comes up blank or as array.
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How to convert a private key to an RSA private key?
Let me explain my question first. I bought a certificate from a CA and used the following format to generate the csr and the private key:
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