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How do I get a substring of a string in Python?
...ieve this is by string slicing.
MyString[a:b] gives you a substring from index a to (b - 1).
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Rails: call another controller action from a controller
...methods in your controller and call them from your action.
Example:
def index
get_variable
end
private
def get_variable
@var = Var.all
end
That said you can do exactly the same through different controllers and summon a method from controller A while you are in controller B.
Vocabu...
How can I tell jackson to ignore a property for which I don't have control over the source code?
... you could use setMixInResolver method:
@JsonIgnoreProperties({"id", "index", "version"})
abstract class MixIn {
}
mapper.setMixInResolver(new ClassIntrospector.MixInResolver(){
@Override
public Class<?> findMixInClassFor(Class<?> cls) {
retu...
Why is document.write considered a “bad practice”?
...
Another legitimate use of document.write comes from the HTML5 Boilerplate index.html example.
<!-- Grab Google CDN's jQuery, with a protocol relative URL; fall back to local if offline -->
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.6.3/jquery.min.js"></script>
<scri...
navbar color in Twitter Bootstrap
...h: 160px;
padding: 5px 0;
position: absolute;
top: 100%;
z-index: 1000;
}
.btn-group.open .btn.dropdown-toggle {
background-color: red;
}
.btn-group.open .btn.dropdown-toggle {
background-color:lime;
}
.navbar .nav li.dropdown.open > .dropdown-toggle,
.navbar .nav li.dropdo...
How to change the order of DataFrame columns?
... (which will be discarded when used on the dataframe). You are thinking of Index objects.
– alexis
Feb 28 '17 at 15:19
9
...
Remove element by id
...k fine. The behavior you're talking about is most likely caused by updated indexes.
– Johan Dettmar
Jul 8 '15 at 14:07
1
...
chrome undo the action of “prevent this page from creating additional dialogs”
...
Unfortunately Google has indexed this as the answer... its terrible. don't do it.
– macm
Sep 30 '16 at 3:19
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...
Creating a new empty branch for a new project
...uld be used:
git symbolic-ref HEAD refs/heads/<newbranch>
rm .git/index
git clean -fdx
After doing some work:
git add -A
git commit -m <message>
git push origin <newbranch>
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How to deploy a war file in Tomcat 7
...RL without the resourceName because it won't work if there is no file like index.html, or if there is no url pattern like "/" or "/*" in web.xml.
The available main paths are here: [<protocol>://]localhost:<port>/manager/html (E.g.: http://localhost:8080/manager/html) and they have true...