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WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance

... get into my personal instance last night, And this is the way it is supposed to be. From the EC2 documentation we have "If you're using OpenSSH (or any reasonably paranoid SSH client) then you'll probably need to set the permissions of this file so that it's only readable by you." The Panda d...
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Why would you use Oracle database? [closed]

I'm curious for technical reasons why you choose Oracle database versus the latest flavors of: 1) Microsoft SQL Server 2) MySQL 3) PostgreSQL ...
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B-Tree vs Hash Table

...g is not easy. Its called RUSH - Replication Under Scalable Hashing, and those algorithms are thus called RUSH algorithms. However there may be a point where your index exceeds a tolerable size compared to your hash sizes and your entire index needs to be re-built. Usually this is not a problem, bu...
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Can Eclipse refresh resources automatically?

...k into sync, the refresh hook only exists for Windows, so on Linux and Mac OS it has to poll the filesystem periodically. From 3.7 there's a new preference Settings > General > Workspace > Refresh On Access (aka Lightweight Refresh). This preference causes Eclipse to automatically refresh...
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Laravel blank white screen

... Ubuntu/Debian servers, your PHP may be running as user "www-data". On CentOS/RedHat/Fedora servers, you PHP may be running as user "apache". Make sure your files are owned by the user that is running PHP: # Debian/Ubuntu $ sudo chown -R www-data /path/to/laravel/files # CentOS/RedHat/Fedora $ su...
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How to exclude certain messages by TAG name using Android adb logcat?

... Yeah, I found it already, findstr - suck, possible to install powershell or grep (for windows:), the same as Linux as was wrote in readme, but not so much in practice) – Gennadiy Ryabkin Mar 9 '13 at 12:03 ...
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors

Looking at a Get-WebFile script over on PoshCode, http://poshcode.org/3226 , I noticed this strange-to-me contraption: 6 A...
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Using async-await on .net 4

... Microsoft released the Async Targeting Pack (Microsoft.Bcl.Async) through Nuget as a replacement for the AsyncCTP. You can read more about it here: http://blogs.msdn.com/b/bclteam/archive/2013/04/17/microsoft-bcl-async-is-now-st...
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Where to place $PATH variable assertions in zsh?

...rect compared to the zsh manual pages, and doesn't seem to apply to zsh on OS X (paths in $PATH set in /etc/profile do not make it to my zsh sessions). To address the question: where exactly should I be placing my rvm, python, node etc additions to my $PATH? Generally, I would export my ...
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation

It is loosely related to this question: Are std::thread pooled in C++11? . Though the question differs, the intention is the same: ...