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Map vs Object in JavaScript
...n be bypassed using map = Object.create(null). The
keys of an Object are Strings, where they can be any value for a Map.
You can get the size of a Map easily while you have to manually keep
track of size for an Object.
Use maps over objects when keys are unknown until run time, and when
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How and where are Annotations used in Java?
...notations such as NotNull, like in:
public void processSomething(@NotNull String text) {
...
}
which allows the compiler to warn you about improper/unchecked uses of variables and null values.
Another more advanced application for annotations involves reflection and annotation processing at ...
What does && mean in void *p = &&abc;
... defined in the current function.
void *p = &&abc is illegal in standard C99 and C++.
This compiles with g++.
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Create a hexadecimal colour based on a string with JavaScript
I want to create a function that will accept any old string (will usually be a single word) and from that somehow generate a hexadecimal value between #000000 and #FFFFFF , so I can use it as a colour for a HTML element.
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Why can't I have abstract static methods in C#?
...{
}
If you call B.Test, like this:
class Program
{
static void Main(string[] args)
{
B.Test();
}
}
Then the actual code inside the Main method is as follows:
.entrypoint
.maxstack 8
L0000: nop
L0001: call void ConsoleApplication1.A::Test()
L0006: nop
L0007: ret
As you ...
How to handle screen orientation change when progress dialog and background thread active?
...="orientation|screenSize"
so it looks like
<activity android:label="@string/app_name"
android:configChanges="orientation|screenSize|keyboardHidden"
android:name=".your.package">
The matter is that the system destroys the activity when a change in the configuration occurs...
How do I put a variable inside a string?
I would like to put an int into a string . This is what I am doing at the moment:
8 Answers
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Java equivalent of C#'s verbatim strings with @
Quick question. Is there an equivalent of @ as applied to strings in Java:
4 Answers
4...
Where can I view Tomcat log files in Eclipse?
... It refers to your workspace. In there you find a folder called .metadata and so on.
– Nils Schmidt
Feb 9 '10 at 23:08
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Git push/clone to new server
...s something I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
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