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Direct casting vs 'as' operator?
...o s, no matter what type o is.
Use 1 for most conversions - it's simple and straightforward. I tend to almost never use 2 since if something is not the right type, I usually expect an exception to occur. I have only seen a need for this return-null type of functionality with badly designed librar...
Passing a String by Reference in Java?
...g(StringBuilder zText) { zText.append ("foo"); }
Create a container class and pass an instance of the container to your method:
public class Container { public String data; }
void fillString(Container c) { c.data += "foo"; }
Create an array:
new String[] zText = new String[1];
zText[0] = "";
vo...
How to identify server IP address in PHP
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Like this for the server ip:
$_SERVER['SERVER_ADDR'];
and this for the port
$_SERVER['SERVER_PORT'];
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Using ViewPagerIndicator library with Android Studio and Gradle
...cator library , but I'm unable to get it working with my Gradle project in Android Studio.
19 Answers
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Mockito How to mock and assert a thrown exception?
I'm using mockito in a junit test. How do you make an exception happen and then assert that it has (generic pseudo-code)
11...
What is the preferred syntax for defining enums in JavaScript?
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Since 1.8.5 it's possible to seal and freeze the object, so define the above as:
const DaysEnum = Object.freeze({"monday":1, "tuesday":2, "wednesday":3, ...})
or
const DaysEnum = {"monday":1, "tuesday":2, "wednesday":3, ...}
Object.freeze(DaysEnum)
and voil...
Creating temporary files in bash
...many shell scripts take the name of the program with
the pid as a suffix and use that as a temporary file name. This kind
of naming scheme is predictable and the race condition it creates is
easy for an attacker to win. A safer, though still inferior, approach
is to make a temporary directo...
Putting license in each code file? [closed]
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It's reasonable and sensible to identify which license each source file was released under, because the file might be separated from the rest of the code (reuse - encouraged, in general, by Open Source), and if the file contains no informati...
How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
15
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What is the difference between Numpy's array() and asarray() functions?
What is the difference between Numpy's array() and asarray() functions? When should you use one rather than the other? They seem to generate identical output for all the inputs I can think of.
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