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Best way to define error codes/strings in Java?
...c enum Error {
DATABASE(0, "A database error has occurred."),
DUPLICATE_USER(1, "This user already exists.");
private final int code;
private final String description;
private Error(int code, String description) {
this.code = code;
this.description = description;
}
public St...
Setting DIV width and height in JavaScript
I have a div with id="div_register" . I want to set its width dynamically in JavaScript.
6 Answers
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How do I import the javax.servlet API in my Eclipse project?
...compilation errors:
java.lang.NullPointerException at org.apache.jsp.index_jsp._jspInit
java.lang.NoClassDefFoundError: javax/el/ELResolver
java.lang.NoSuchFieldError: IS_DIR
java.lang.NoSuchMethodError: javax.servlet.jsp.PageContext.getELContext()Ljavax/el/ELContext;
java.lang.AbstractMethodError:...
Applications are expected to have a root view controller at the end of application launch
... hello i am getting this eroor :- *** Assertion failure in -[UIApplication _runWithMainScene:transitionContext:completion:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3505.16/UIApplication.m:3294 how to solve this
– Akash Raghani
Sep 22 '1...
How to do case insensitive string comparison?
...microsoft.com/en-us/library/bb386042.aspx and en.wikipedia.org/wiki/Capital_%E1%BA%9E
– SLaks
May 27 '14 at 23:44
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Enabling WiFi on Android Emulator
... elsewhere.)
In theory, linux (the kernel underlying android) has mac80211_hwsim driver, which simulates WiFi. It can be used to set up several WiFi devices (an acces point, and another WiFi device, and so on), which would make up a WiFi network.
It's useful for testing WiFi programs under linux. ...
Difference between this and self in self-type annotations?
...
btw you can also do _: B => for the non-alias case for simplicity
– Creos
Jun 19 '19 at 17:29
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Generating all permutations of a given string
...ex + 1);? The currPos seems unnecessary here.
– Robur_131
Aug 15 '19 at 16:07
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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
...ooking all over. There is 3 different locations of python installs on Mac -_- wtf.
– Oscar Godson
Mar 27 '11 at 4:16
4
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Twig: in_array or similar possible within if statement?
...to change the second line of your second code-block from
{% if myVar is in_array(array_keys(someOtherArray)) %}
to
{% if myVar in someOtherArray|keys %}
in is the containment-operator and keys a filter that returns an arrays keys.
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