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What's the Point of Multiple Redis Databases?
...ce are no different than schemas in RDBMS database instances.
So, with all of that said, why/when would I ever want to use multiple
Redis databases instead of just spinning up an extra instance of Redis
for each extra database I want?
There's one clear advantage of using redis databases in...
When would you use the different git merge strategies?
...s:
Recursive
Recursive is the default for non-fast-forward merges. We're all familiar with that one.
Octopus
I've used octopus when I've had several trees that needed to be merged. You see this in larger projects where many branches have had independent development and it's all ready to come to...
SQLAlchemy: Creating vs. Reusing a Session
Just a quick question: SQLAlchemy talks about calling sessionmaker() once but calling the resulting Session() class each time you need to talk to your DB. For me that means the second I would do my first session.add(x) or something similar, I would first do
...
How to convert wstring into string?
...e <locale>
#include <vector>
int main() {
std::setlocale(LC_ALL, "");
const std::wstring ws = L"ħëłlö";
const std::locale locale("");
typedef std::codecvt<wchar_t, char, std::mbstate_t> converter_type;
const converter_type& converter = std::use_facet<converter...
Get Character value from KeyCode in JavaScript… then trim
... get garbage. The problem is that keyCode does not correspond to ASCII for all characters. The ASCII character for semicolon is 59. Same issue is true of every special character, keyCode does NOT return the right code for String.fromCharCode().
– Alexander Tsepkov
...
Vim delete blank lines
... Thanks soulmerge. This is my favorite answer, since it actually explains what the :g command does.
– Tim Swast
Aug 15 '11 at 19:03
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Can an abstract class have a constructor?
...hardcodes the value 2. The concrete class TimesWhat has a constructor that allows the caller to specify the value.
Abstract constructors will frequently be used to enforce class constraints or invariants such as the minimum fields required to setup the class.
NOTE: As there is no default (or no...
Which cryptographic hash function should I choose?
...ese properties. A hash function for securing passwords on a server will usually only require preimage resistance, while message digests require all three.
It has been shown that MD5 is not collision resistant, however, that does not preclude its use in applications that do not require collision res...
How does the ARM architecture differ from x86? [closed]
Is the x86 Architecture specially designed to work with a keyboard while ARM expects to be mobile? What are the key differences between the two?
...
Visual Studio “Could not copy” … during build
...ning Visual Studio.
This "bug" has existed since Visual Studio 2003.
Finally, I have also found that I can often overcome this problem by simply renaming the executable file and then deleting it.
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