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Facebook database design?
...d various triggers could fire to cascade events of friending, defriending, etc.
– Jesse C. Slicer
May 14 '12 at 22:05
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iPhone - Grand Central Dispatch main thread
... data on background queue -> signal main queue that message has arrived
etc etc
As to why you might want to dispatch to the main queue from the main queue... Well, you generally wouldn't although conceivably you might do it to schedule some work to do the next time around the run loop.
...
Which Boost features overlap with C++11?
... → std::ratio
Static Assert → static_assert
Thread → <thread>, etc (but check this question).
Typeof → auto, decltype
Value initialized → List-initialization (§8.5.4/3)
Math/Special Functions → <cmath>, see the list below
gamma function (tgamma), log gamma function (lgamm...
What is Dependency Injection and Inversion of Control in Spring Framework?
...ow how to call my code. This is achieved using events/delegates, callbacks etc. Here the Control of flow is "Inverted".
So, instead of depending the flow of control on statically bound objects, the flow depends upon the overall object graph and the relations between different objects.
Dependency I...
How to inject dependencies into a self-instantiated object in Spring?
...rk.context.annotation.aspect.* is not available
Is your IDE setup properly
Etc etc.
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How do I check if a string contains a specific word?
... === is best option (in my opinion) all aspect considered (speed, accuracy etc).
– Melsi
Dec 15 '12 at 12:28
10
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What's the best way to join on the same table twice?
...when it comes to joining the same table multiple times or using subqueries etc.
I would just clean things up a bit:
SELECT t.PhoneNumber1, t.PhoneNumber2,
t1.SomeOtherFieldForPhone1, t2.someOtherFieldForPhone2
FROM Table1 t
JOIN Table2 t1 ON t1.PhoneNumber = t.PhoneNumber1
JOIN Table2 t2 ON t2...
Using async-await on .net 4
...nged a lot close to the beta stage and to the release. It may be unstable, etc.
If you want to introduce easy async operations in your application I would recommend you to use Reactive Extensions and stuff built on top (Reactive UI, etc), it is just beautiul.
As for VS2012, it also contains the sa...
Run java jar file on a server as background process
... on aws ubutnu image I had to install systemd then found the image in /etc/systemd/system/
– Robbo_UK
Jun 3 '19 at 13:46
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How to convert an xml string to a dictionary?
...
I have tested nearly 10 snippets / python modules / etc. for that. This one is the best I have found. According to my tests, it is : 1) much faster than github.com/martinblech/xmltodict (based on XML SAX api) 2) better than github.com/mcspring/XML2Dict which has some lit...