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Must Dependency Injection come at the expense of Encapsulation?
...uch easier to pull together (and validate) the pieces needed for a running application.
By applying similar techniques in our OO programs via IoC, we aim to make programs easier to configure and maintain. Publishing dependencies (as constructor parameters or whatever) is a key part of this. Encapsu...
Using awk to remove the Byte-order mark
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@tchrist: you mean it breaks broken stuff? :) proper apps should be able to handle that BOM.
– Karoly Horvath
Mar 17 '12 at 18:31
7
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How do I force Postgres to use a particular index?
...l time.
As a very blunt hammer, useful for testing, you can use the enable_seqscan and enable_indexscan parameters. See:
Examining index usage
enable_ parameters
These are not suitable for ongoing production use. If you have issues with query plan choice, you should see the documentation for tr...
Automatic Retina images for web sites
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Usage sample:
.retina-background-image( "../references/Images/", "start_grey-97_12", ".png", 12px );
Ths requires you to have two files:
start_grey-97_12.png
start_grey-97_12@2x.png
Where the 2x file is double resolution for retina.
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What is the difference between the states selected, checked and activated in Android?
...ld).setChecked(mCheckStates.get(position));
} else if (getContext().getApplicationInfo().targetSdkVersion
>= android.os.Build.VERSION_CODES.HONEYCOMB) {
child.setActivated(mCheckStates.get(position));
}
}
Note the mCheckStates variable. It keeps track of which positi...
The new syntax “= default” in C++11
...structor suppresses the default constructor.
The destructor default is inappropriate to polymorphic classes, requiring an explicit definition.
Once a default is suppressed, there is no means to resurrect it.
Default implementations are often more efficient than manually specified implementatio...
Possible reason for NGINX 499 error codes
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As a special case, I noticed it sometimes happen when the end-user double-clicks a form submit button. The form is sent twice, but only one response is expected by the client. This can be worked around by disabling (at least for a few seconds) buttons in JS the first ...
Is there a .NET equivalent to Apache Hadoop? [closed]
...it in python all the time :-).
I'm starting to see that the heterogeneous approach is often the best and it looks like other folks are doing the same.
If you look at projects like protocol-buffers or facebook's thrift you see that sometimes it's just best to use an app written in another language ...
Should a .sln be committed to source control?
Is it a best practice to commit a .sln file to source control? When is it appropriate or inappropriate to do so?
15 Answers...
When is it better to use an NSSet over an NSArray?
I have used NSSets many times in my apps, but I have never created one myself.
11 Answers
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