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How do I get the current username in Windows PowerShell?

... I'd like to throw in the whoami command, which basically is a nice alias for doing %USERDOMAIN%\%USERNAME% as proposed in other answers. Write-Host "current user:" Write-Host $(whoami) share ...
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How do I rename all folders and files to lowercase on Linux?

..." "${DST}" || echo "${SRC} was not renamed" fi done P.S. The latter allows more flexibility with the move command (for example, "svn mv"). share | improve this answer | ...
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How Can I Download a File from EC2 [closed]

... @gideon That definitively should work as expected (i.e. recursively copy all files from /srv/www/myapp/ to the local machine). Wild guess - are you running scp from your ec2 server perhaps? If yes, you need to run it from your local machine (i.e. the machine you want to copy files to). ...
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How to clean project cache in Intellij idea like Eclipse's clean?

... Depending on the version you are running. It is basically the same just go to File -> Invalidate caches, then restart Intellij or File -> Invalidate caches / Restart The main difference is that in older versions you had to manually restart as cache files are not removed...
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When is TCP option SO_LINGER (0) required?

...void large numbers of connections sitting in the TIME_WAIT state, tying up all the available resources on a server. When a TCP connection is closed cleanly, the end that initiated the close ("active close") ends up with the connection sitting in TIME_WAIT for several minutes. So if your protocol i...
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Learn C first before learning Objective-C [closed]

...blem entirely in Obj-C, sometimes resulting in a very clumsy solutions. Usually I then replace some Obj-C code with pure C code (after all you can mix them as much as you like, the content of an Obj-C method can be entirely, pure C code). Without any intention to insult any Obj-C programmer, there a...
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How to get default gateway in Mac OSX

...sult thus looks like this: 192.168.195.1 In this case, netstat displays all result, grep only selects the line with 'default' in it, and awk further matches the pattern to display the second column in the text. You can similarly use route -n get default command to get the required result. The fu...
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Why should I use Restify?

...hich removes the overhead of creating a connection each time when getting called from the same client. To be fair, we have also tested Restify with the configuration flag of closing the connection. You’ll see a substantial decrease in throughput in that scenario for obvious reasons. Looks like...
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What's the difference between Thread start() and Runnable run()

...ent the Runnable interface and thus implement the run() method. When you call r1.run() you are executing it in the current thread. Second example: Two separate threads. Thread t1 = new Thread(r1); Thread t2 = new Thread(r2); t1 and t2 are objects of the class Thread. When you call t1.start(), ...
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Provisioning Profiles menu item missing from Xcode 5

After spending a whole day installing a fresh copy of Mac OS X v10.8 (Mountain Lion), Xcode 5, fixing provisioning profiles, certificates, creating new ones, I finally managed to get my applications running on my iPad again. The problem is that in Xcode 5 I don't have a menu item for Library ...