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What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
...the same page even if the content is changed, because it may load the page from cache. But Ctrl-F5 forces a cache refresh, and will guarantee that if the content is changed, you will get the new content.
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How do you implement a re-try-catch?
...ans somehow that it will help our system to be more robust: try to recover from an unexpected event.
25 Answers
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Javascript AES encryption [closed]
...C2898-compliant password-based key derivation, in Javascript, is available from Anandam. This pair of libraries works well with the analogous .NET classes. Good interop. Though, in contrast to SlowAES, the Javascript PBKDF2 is noticeably slower than the Rfc2898DeriveBytes class when generating key...
Handler vs AsyncTask
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From Honeycomb on, AsyncTasks are executed on one thread, so no parallelism anymore. You still could run them on a paralel Executor implementation.
– MrSnowflake
May 6 '13 at 15:27
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Why do C++ libraries and frameworks never use smart pointers?
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Apart from the fact that many libraries were written before the advent of standard smart pointers, the biggest reason is probably the lack of a standard C++ Application Binary Interface (ABI).
If you’re writing a header-only lib...
Objective-C ARC: strong vs retain and weak vs assign
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From the Transitioning to ARC Release Notes (the example in the section on property attributes).
// The following declaration is a synonym for: @property(retain) MyClass *myObject;
@property(strong) MyClass *myObject;
So ...
Physical vs. logical / soft delete of database record?
...he time we didn't know what the requirements would be. While this was good from the standpoint of auditing, troubleshooting, and reporting (This was an e-commerce / tools site for B2B transactions, and if someone used a tool, we wanted to record it even if their account was later turned off), it did...
Bootstrap Dropdown menu is not working
...othing that fixed everyone's problems helped. I copied the source straight from bootstrap's website, but I can't seem to get it to work on my machine. Anyone have any ideas? I have been staring at it for an hour and can't seem to figure out what the problem is.
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Tools for making latex tables in R [closed]
...most commonly used packages and blogs with code for producing latex tables from less straight-forward objects. Please feel free to add any I missed, and/or give tips, hints and little tricks on how to produce nicely formatted latex tables with R.
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Recursively list all files in a directory including files in symlink directories
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Using ls:
ls -LR
from 'man ls':
-L, --dereference
when showing file information for a symbolic link, show informa‐
tion for the file the link references rather than for the link
itself
Or, using find:
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