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Learning assembly [closed]
...r knowledge about how the processor boots and follow the code in execution order. You have to decode each instruction completely to know how many bytes are used then if the instruction is not an unconditional branch assume the next byte after that instruction is another instruction. You have to st...
How does type Dynamic work and how to use it?
... If you use do checks at runtime, you have to do the parameter checking in order to dispatch correctly to the right code path. That shouldn't be more overhead than any other parameter checking in your application has. If you make use of reflection, you get obviously more overhead but you have to mea...
Better naming in Tuple classes than “Item1”, “Item2”
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in order to use it you will need to add System.ValueTuple nuget package
– Alex G
Jun 15 '18 at 19:27
11
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...tring s) throws NumberFormatException
Explanation for comparison:
In order to save memory, two instances of the
wrapper objects , will always be == when their
primitive values are the same:
Boolean
Byte
Character from \u0000 to \u007f (7f is 127 in decimal)
Short and Integer ...
In which case do you use the JPA @JoinTable annotation?
...solution in JPA you need to use the @JoinTable annotation. For example, in order to implement a uni-directional one-to-many association, we can define our entities as such:
Project entity:
@Entity
public class Project {
@Id
@GeneratedValue
private Long pid;
private String name;
...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
...e and version number of the apps already installed (if it is installed) in order to make the comparison. You will need a rooted device or a means of installing the aapt binary and busybox if they are not already included in the rom.
This script will get the list of apps from your server and compare...
Is XSLT worth it? [closed]
...unctional, but I think it's debatable whether it is declarative (there are ordering dependancies etc). However, I agree with your point that this (whether functional or declarative) is both a powerful thing, as well as a source of frustration for most OO/ procedural programmers. However, in XSLT's c...
What is ECMAScript?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What should I use Android AccountManager for?
...ms that I need to implement a SyncAdapter and a ContentProvider as well in order to reach my goals. Correct me If I am wrong :)
– dackyD
Jan 25 '12 at 8:19
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When do we have to use copy constructors?
...ly, this is cached/memoized data accumulated over the object's lifetime in order to speed-up certain slow query operations performed by the object. It is safe to skip copying that data since it will be recalculated when (and if!) the relevant operations are performed. Copying this data may be unjust...