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Can you attach Amazon EBS to multiple instances?
...od they still have to make relatively expensive web service calls for each read / write. For a shared tools dir, works great. For the kind of clustered FS usage you see in the HPC world, not a chance. To do better, you'd need a new service that provides a binary connection-oriented protocol, like...
Install NPM into home directory with distribution nodejs package (Ubuntu)
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NPM will install local packages into your projects already, but I still like to keep the system away from my operating system's files. Here's how I suggest compartmentalizing Nodejs packages:
Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homed...
Difference between char* and const char*?
...it could result in Undefined Behavior.
String literals may be allocated in read only memory regions (implementation defined) and an user program should not modify it in anyway. Any attempt to do so results in Undefined Behavior.
So the only difference in that case (of usage with string literal...
In Clojure, when should I use a vector over a list, and the other way around?
I read that Vectors are not seqs, but Lists are. I'm not sure what the rationale is for using one over the other. It seems that vectors are used the most, but is there a reason for that?
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Best way to store password in database [closed]
...le this is not horrible, it is best to add unique salts to every password. Read this for more.
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How can you find and replace text in a file using the Windows command-line environment?
... line arg for powershell.exe containing the command to run
(gc myFile.txt) reads the content of myFile.txt (gc is short for the Get-Content command)
-replace 'foo', 'bar' simply runs the replace command to replace foo with bar
| Out-File myFile.txt pipes the output to the file myFile.txt
-encoding A...
Send file using POST from a Python script
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From: https://requests.readthedocs.io/en/latest/user/quickstart/#post-a-multipart-encoded-file
Requests makes it very simple to upload Multipart-encoded files:
with open('report.xls', 'rb') as f:
r = requests.post('http://httpbin.org/post', f...
What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
...her or
lower.
The documentation for the referenced fittingSize message reads:
The minimum size of the view that satisfies the constraints it holds.
(read-only)
AppKit sets this property to the best size available for the view,
considering all of the constraints it and its subviews h...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...ple objects of the same type in the inheritance hierarchy (the so-called 'dreaded diamond') and you aren't using virtual inheritance. It also can only go through public inheritance - it will always fail to travel through protected or private inheritance. This is rarely an issue, however, as such for...
Why does one often see “null != variable” instead of “variable != null” in C#?
...e comparing two Boolean values (which is rare, IME) you can write the more readable code, as an "if" statement requires a Boolean expression to start with, and the type of "x=5" is Int32, not Boolean.
I suggest that if you see this in your colleagues' code, you educate them in the ways of modern la...