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What did MongoDB not being ACID compliant before v4 really mean?
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One thing you lose with MongoDB is multi-collection (table) transactions. Atomic modifiers in MongoDB can only work against a single document.
If you need to remove an item from inventory and add it to someone's order at th...
C pointer to array/array of pointers disambiguation
... pointers.
int (*arr)[8]; // A pointer to an array of integers
The third one is same as the first.
The general rule is operator precedence. It can get even much more complex as function pointers come into the picture.
sha...
What's the difference between ES6 Map and WeakMap?
...notice that this API could
be implemented in JavaScript with two arrays (one for keys, one for
values) shared by the 4 API methods. Such an implementation would have
two main inconveniences. The first one is an O(n) search (n being the
number of keys in the map). The second one is a memory l...
General suggestions for debugging in R
...function you would find useful to have run.
And another two methods from one of @Shane's links:
Wrap an inner function call with try() to return more information on it.
For *apply functions, use .inform=TRUE (from the plyr package) as an option to the apply command
@JoshuaUlrich also pointed o...
Difference between add(), replace(), and addToBackStack()
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Can a fragment container contains more than one fragment, If yes than how replace() method will behave. WIll it replace all the frgaments in that container or android api have a method that accept three arguments, i.e. frgamentContainer, new fragment and with whom to r...
How to quickly clear a JavaScript Object?
...[member];
...would seem to be pretty effective in cleaning the object in one line of code with a minimum of scary brackets. All members will be truly deleted instead of left as garbage.
Obviously if you want to delete the object itself, you'll still have to do a separate delete() for that.
...
What is console.log?
...hould use window.console (as window is guaranteed to exist) and only check one depth level at one time.
– Tgr
Jan 11 '11 at 18:10
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show 6 m...
Differences between unique_ptr and shared_ptr [duplicate]
Could someone explain differences between shared_ptr and unique_ptr?
4 Answers
4
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How to navigate back to the last cursor position in Visual Studio?
... edited Aug 11 '16 at 15:48
The One and Only ChemistryBlob
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answered May 7 '13 at 9:00
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When to call activity context OR application context?
... prefer static data members, if for no other reason than you can only have one custom Application object. I built one app using a custom Application object and found it to be painful. Ms. Hackborn also agrees with this position.
Here are reasons why not to use getApplicationContext() wherever you g...