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What is the relative performance difference of if/else versus switch statement in Java?
Worrying about my web application's performances, I am wondering which of "if/else" or switch statement is better regarding performance?
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Best way to store time (hh:mm) in a database
...times in a database table but only need to store the hours and minutes.
I know I could just use DATETIME and ignore the other components of the date, but what's the best way to do this without storing more info than I actually need?
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Vertical (rotated) label in Android
... super(context, attrs);
final int gravity = getGravity();
if(Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
}els...
How do arrays in C# partially implement IList?
So as you may know, arrays in C# implement IList<T> , among other interfaces. Somehow though, they do this without publicly implementing the Count property of IList<T> ! Arrays have only a Length property.
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DataContractSerializer doesn't call my constructor?
...tatic properties to control a small set of allowed constructor parameters. Now you can still serialize / deserialize them.
XmlSerializer has the behavior you expected. I have had a some problems with the XmlSerializer because it DOES need a default constructor. Related to that, sometimes it makes ...
How do I get an apk file from an Android device?
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Hi, Thank u very much. I can get the images from sdcard now. but I want to pull the apk file from device (managementApplication folder). The iTwips apk is stored on the Application folder. Please assist me.
– Finder
Oct 27 '10 at 16:40
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Is it better to reuse a StringBuilder in a loop?
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Okay, I now understand what's going on, and it does make sense.
I was under the impression that toString just passed the underlying char[] into a String constructor which didn't take a copy. A copy would then be made on the next "wr...
Different types of thread-safe Sets in Java
...size you give to the map should be over 33% larger than your estimate (or known value), since the set resizes at 75% load. I use expectedSize + 4 / 3 + 1
– Daren
Oct 30 '15 at 12:21
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Why declare a struct that only contains an array in C?
...nst-reference, unless the callee already needs a tmp copy it can destroy. If the call / return don't optimize away, a medium to large array (thousands of bytes) is a terrible thing to pass by value.
– Peter Cordes
Jun 11 '18 at 16:49
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Where does the .gitignore file belong?
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Put .gitignore in the working directory. It doesn't work if you put it in the .git (repository) directory.
$ ls -1d .git*
.git
.gitignore
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