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使用模拟器构建应用程序 · App Inventor 2 中文网
...ven a minute or more. That’s because it’s booting up the virtual phone from scratch.
The emulator will appear in its own window on your computer. As you work, you’ll need to switch among the emulator window, the Blocks Editor, and the Designer.
Don’t connect a physical phone to the compute...
Is it possible to get all arguments of a function as single object inside that function?
... property of a non-negative Integer, and usually some indexed properties." From the mozilla link: "It is similar to an Array, but does not have any Array properties except length."
– Luke
Aug 7 '17 at 13:09
...
Java: Subpackage visibility?
...sumers of the "hidden" methods use that interface. It will not stop others from using the interface but I see no reason why you should.
For unit tests, and if it is possible without rewriting the lot, follow the suggestions to use the same package.
...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
...p. Flexibility also helped when we were designing a new feature, saving us from trying to squeeze new data into a rigid data model.
Having a weird database let us build a lot of our other weird technologies, giving us lots of secret-sauce to distinguish our product from those of our competitors.
...
Parallelize Bash script with maximum number of processes
...-w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
Run up to max-procs processes at a time; the default is 1.
If max-procs is 0, xargs will run as many processes as possible at a
time. Use the -n opti...
What is the use of interface constants?
... some pitfalls of the constant interface (because you can't prevent people from implementing it), a proper class with a private constructor should be preferred (example borrowed from Wikipedia):
public final class Constants {
private Constants() {
// restrict instantiation
}
p...
Is it possible to “decompile” a Windows .exe? Or at least view the Assembly?
A friend of mine downloaded some malware from Facebook, and I'm curious to see what it does without infecting myself. I know that you can't really decompile an .exe, but can I at least view it in Assembly or attach a debugger?
...
Can I use mstest.exe without installing Visual Studio?
...dio 2010 (515MB)
This installs everything needed for running mstest.exe from the command line and is much lighter weight than visual studio. ~500mb download and around ~300mb to install just the test agent if I remember correctly.
UPDATE
For versions older than VS 2017, look here:
https://www....
C pointers : pointing to an array of fixed size
...n array or a struct. You can switch the definition of Vector3d at any time from an array to a struct and back, and you won't have to change the function declaration. In either case the functions will receive an aggregate object "by reference" (there are exceptions to this, but within the context of ...
What should every JavaScript programmer know? [closed]
...ing the sometimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot of time in a framework is opposed to that.
Here are some JavaScript language features that you should know to grok what it's doing and ...