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Redis strings vs Redis hashes to represent JSON: efficiency?
...because each usual key/value pair inside Redis use +90 bytes per pair.
It means that if you start with option two and accidentally break out of max-hash-ziplist-value you will get +90 bytes per EACH ATTRIBUTE you have inside user model! ( actually not the +90 but +70 see console output below )
# ...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
...r variable but in the AsyncTask and not the outer class if that's what you mean. This is what I did: private class MyAsyncTask extends AsyncTask<Void, Void, Void> { private boolean showLoading; public MyAsyncTask(boolean showLoading) { super(); this.showLoading = showL...
Android: I am unable to have ViewPager WRAP_CONTENT
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int mode = MeasureSpec.getMode(heightMeasureSpec);
// Unspecified means that the ViewPager is in a ScrollView WRAP_CONTENT.
// At Most means that the ViewPager is not in a ScrollView WRAP_CONTENT.
if (mode == MeasureSpec.UNSPECIFIED || mode == MeasureSpec.AT_MOST) {
// super...
What's the hardest or most misunderstood aspect of LINQ? [closed]
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As far as an example, maybe he means the fact that it is very easy to have a Select clause contain many Sum() operators with each of them causing another pass over the entire recordset.
– Rob Packwood
Mar 4 '10 at 22:...
How to move one word left in the vi editor
... obviously an action: d for delete, c for change, default is empty, and it means simply move.
motion is the direction. You got that already.
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List of special characters for SQL LIKE clause
...) preceding a specifier indicates
non-inclusion. [^a-f] means "not in the range
a-f"; [^a2bR] means "not a, 2, b, or R."
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Should functions return null or an empty object?
...nothing makes no sense. Accessing members of an empty object will not fail meaning bugs can go undiscovered.
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edited Nov 26 '09 at 7:08
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Unnamed/anonymous namespaces vs. static functions
... unnamed namespace is not really a viable replacement for static. static means "really this never gets linked ouside of the TU". unnamed namespace means "it's still exported, as a random name, in case it gets called from a parent class that is outside the TU"...
– Erik Aron...
What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA
...n I use one, I expect to get back a Customer object), but different intent/meaning and resulting implementation.
A Repository "acts like a collection, except with more elaborate querying capability" [Evans, Domain Driven Design] and may be considered as an "objects in memory facade" (Repository dis...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
... because those may execute faster or take less keystrokes to type, doesn't mean they're the best way to do what you're trying to do, and just because a language gives you quirky syntax doesn't mean you should use it instead of something clearer and better-known.*
* I am presuming that Out-Null is c...