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Redis strings vs Redis hashes to represent JSON: efficiency?
...ws you to store more complicated Objects (with multiple layers of nesting, etc.) Option 3 is used when you really care about not polluting the main key namespace (i.e. you don't want there to be a lot of keys in your database and you don't care about things like TTL, key sharding, or whatever).
If...
Performance optimization strategies of last resort [closed]
...y under a broad range of scenarios, and perform null checks on parameters, etc. By re-implementing a method you may be able to strip out a lot of logic that does not apply in the exact circumstance you are using it.
Down-sides: writing additional code means more surface area for bugs.
Do use library...
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
...ss, a pointer, the user can determine whether two copies are identical, etc.
can be moved from – i.e. we are allowed to leave to source of a "copy" in some indeterminate, but valid state
This led me to the conclusion that there are exactly three kinds of
values (using the regex not...
Setting up a common nuget packages folder for all solutions when some projects are included in multi
... get into a complex TFS workspace structure with branches, shared projects etc. it fails to scale efficiently.
– gravidThoughts
Aug 8 '16 at 20:50
add a comment
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What are the benefits of dependency injection containers?
...and benefits of other Spring featureslike AOP, helpers of different kinds, etc. I'm just wondering, what are the benefits of XML configuration such as:
...
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
... SIGSEGV + the lib .so name will go a lot farther than the useless code=1, etc... Next think about where your Java app could touch native code, even if it's nothing you're doing. I made the mistake of assuming it was a Service + UI threading issue where the Canvas was drawing something that was null...
Understanding slice notation
...','t','h']
>>> p[2:4] # Take two items off the front
['t','h']
# etc.
The first rule of slice assignment is that since slicing returns a list, slice assignment requires a list (or other iterable):
>>> p[2:3]
['t']
>>> p[2:3] = ['T']
>>> p
['P','y','T','h','o...
base64 encoded images in email signatures
I have to include some images (company logo's etc) in email signatures. I've had all sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received).
...
What does if __name__ == “__main__”: do?
...add non-trivial system overhead to create and destroy the extra processes, etc.
– Mr Fooz
Feb 19 '19 at 16:16
4
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Javascript object Vs JSON
...t Literal notation is where the key contains a special character (if, :, - etc). It is worth noting that a key in JSON must be enclosed in double quotes.
If I convert the above object to JSON using var jSonString = JSON.stringify(testObject);, what is the difference between the 2 (JS obj and JSON...