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How to upload a file in Django? [closed]
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Phew, Django documentation really does not have good example about this. I spent over 2 hours to dig up all the pieces to understand how this works. With that knowledge I implemented a project that makes possible to upload files and show them as list. To...
Why do table names in SQL Server start with “dbo”?
At least on my local instance, when I create tables, they are all prefixed with "dbo.". Why is that?
3 Answers
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Why is the standard session lifetime 24 minutes (1440 seconds)?
...P3 days, PHP itself had no session support.
But an open-source library called PHPLIB, initially written by Boris Erdmann and Kristian Koehntopp from NetUSE AG, provided sessions via PHP3 code.
Session lifetimes were defined in minutes, not seconds. And the default lifetime was 1440 minutes, o...
Iterating Through a Dictionary in Swift
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If you want to iterate over all the values:
dict.values.forEach { value in
// print(value)
}
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How can you sort an array without mutating the original array?
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this is really great.i think easier to understand than the concat and other approaches
– sktguha
Aug 31 at 20:02
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How do you downgrade rubygems?
I have rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
6 Answers
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Create whole path automatically when writing to a new file
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Use FileUtils to handle all these headaches.
Edit: For example, use below code to write to a file, this method will 'checking and creating the parent directory if it does not exist'.
openOutputStream(File file [, boolean append])
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UIButton title text color
...n you set a color for UIControlStateNormal, there is no need to set it for all the other states (if you want your button to look the same when pressed).
– drpawelo
Dec 11 '15 at 14:59
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msbuild.exe staying open, locking files
...nr:false.
Briefly: MSBuild tries to do lots of things to be fast, especially with parallel builds. It will spawn lots of "nodes" - individual msbuild.exe processes that can compile projects, and since processes take a little time to spin up, after the build is done, these processes hang around (b...
How to retrieve the LoaderException property?
... solution, but I have no entry point in my WCF service around which to actually wrap a try block.
– Jordan
Nov 21 '12 at 19:47
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