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How to insert an element after another element in JavaScript without using a library?
...or Ease of Use
By building the following prototypes, you will be able to call these function directly from newly created elements.
newElement.appendBefore(element);
newElement.appendAfter(element);
.appendBefore(element) Prototype
Element.prototype.appendBefore = function (element) {
eleme...
Can constructors be async?
...her “fire and forget” void, or Task.
If the constructor of type T actually returned Task<T>, that would be very confusing, I think.
If the async constructor behaved the same way as an async void method, that kind of breaks what constructor is meant to be. After constructor returns, you s...
LogCat message: The Google Play services resources were not found. Check your project configuration
...ad code by adding try-catch somewhere which forcefully ran the code, eventually crashing at API call (or in API). So I fixed my code and error is gone. At least this is what I think happened.
– Talha
Jun 12 '17 at 7:00
...
What is a good use case for static import of methods?
...e your program unreadable and unmaintainable, polluting its namespace with all the static members you import. Readers of your code (including you, a few months after you wrote it) will not know which class a static member comes from. Importing all of the static members from a class can be particular...
How to move screen without moving cursor in Vim?
...of the screen
(Careful with zz, if you happen to have Caps Lock on accidentally, you will save and exit vim!)
zt - move current line
to the top of the screen
zb - move
current line to the bottom of the
screen
share
...
Disable HttpClient logging
...ger.httpclient.wire.content=WARN
Note that if Log4j library is not installed, HttpClient (and therefore JWebUnit) will use logback. In this situation, create or edit logback.xml to include:
<configuration>
<logger name="org.apache" level="WARN" />
<logger name="httpclient...
How to query as GROUP BY in django?
...Another solution is to use the group_by property:
query = Members.objects.all().query
query.group_by = ['designation']
results = QuerySet(query=query, model=Members)
You can now iterate over the results variable to retrieve your results. Note that group_by is not documented and may be changed in ...
When is a CDATA section necessary within a script tag?
...l work fine in both HTML and XHTML. You can easily achieve this by putting all significant code in external scripts and just using inline scripts to eg. initialise variables (escaping &/< to \x26/\x3C in string literals if you need).
– bobince
Sep 20 '09...
Java Multiple Inheritance
...
@MoritzPetersen If you really want to go into reusing abstractions and giving meaningful names, probably AbstractEquidae would be more suitable than AbstractHorse. It would be strange to have a zebra extend an abstract horse. Nice answer, by the way....
How to add Options Menu to Fragment in Android
...
Call the super method:
Java:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
}
@Override
public void onCreateOptio...