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How to efficiently concatenate strings in go
...xample: For the peeking behavior when the bytes are passed to an io.Reader etc.
Note
Do not copy a StringBuilder value as it caches the underlying data.
If you want to share a StringBuilder value, use a pointer to it.
Check out its source code for more details, here.
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Scalar vs. primitive data type - are they the same thing?
... typically contrasted with compounds, such as arrays, maps, sets, structs, etc. A scalar is a "single" value - integer, boolean, perhaps a string - while a compound is made up of multiple scalars (and possibly references to other compounds). "Scalar" is used in contexts where the relevant distinct...
Can you attach Amazon EBS to multiple instances?
... storage" abstraction upon which customers run a filesystem like ext2/ext3/etc. Most of these filesystems (eg, ext2/3, FAT, NTFS, etc) are written assuming they have exclusive access to the block device. Two instances accessing the same filesystem would almost certainly end in tears and data corru...
Should I learn C before learning C++? [closed]
...on C++ will not cover pointers and memory management, and string literals, etc.? I'm going to stop discussing now but feel free to leave your closing comments.
– Brian R. Bondy
Jun 23 '10 at 13:27
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How persistent is localStorage?
...ific. If you store data with firefox it won't be available in chrome or ie etc. Also as far as clearing cookies and sessions, I've noticed it is also browser specific as to whether or not the local storage is cleared. I'd look into the details a lot if you're really planning on relying on local stor...
Storing Images in PostgreSQL
...m with backing up blobs!), PostgreSQL additional supplied modules, How-tos etc.
use a separate database with DBlink: for original image store, at another (unified/specialized) database. In this case, I prefer bytea, but blob is near the same. Separating database is the best way for a "unified imag...
BCL (Base Class Library) vs FCL (Framework Class Library)
...ASP.Net, MVC, WCF),
Mobile application,
Xbox application,
windows services etc.
More details at What is BCL/ CL in .Net?
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Virtual Serial Port for Linux
...0 to /dev/tnt7 where tnt0 is connected to tnt1, tnt2 is connected to tnt3, etc.
You may need to fix the file permissions to be able to use the devices.
edit:
I guess I was a little quick with my enthusiasm. While the driver looks promising, it seems unstable. I don't know for sure but I think it ...
Delete text in between HTML tags in vim?
...y repeated at (or it) to progressively select surrounding tags . (Or v2at, etc). Then d to delete (etc).
– Joe Freeman
Feb 16 '17 at 17:09
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Truly understanding the difference between procedural and functional
...ed examples deliberately avoid mixing in these other programming styles in order to emphasize the distinction between the two styles under discussion.
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