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Using 'return' in a Ruby block
...
Where is thing invoked? Are you inside a class?
You may consider using something like this:
class MyThing
def ret b
@retval = b
end
def thing(*args, &block)
implicit = block.call
value = @retval || implicit
puts "value=#{value}"
...
Sass and combined child selector
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Difference between CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
json.net has key method?
...
JObject implements IDictionary<string, JToken>, so you can use:
IDictionary<string, JToken> dictionary = x;
if (dictionary.ContainsKey("error_msg"))
... or you could use TryGetValue. It implements both methods using explicit inte...
How to get response status code from jQuery.ajax?
...
I see the status field on the jqXhr object, here is a fiddle with it working:
http://jsfiddle.net/magicaj/55HQq/3/
$.ajax({
//...
success: function(data, textStatus, xhr) {
console.log(xhr.status);
},
complete: function(xhr, textStatus) {
...
Selecting multiple classes with jQuery
...es. Without the comma it'd reference to .myOtherClass that is somewhere inside .myClass.
– geekuality
Oct 6 '14 at 12:14
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...)
pd.isnull(s)
Out[9]:
0 False
1 True
2 False
dtype: bool
The idea of using numpy.nan to represent missing values is something that pandas introduced, which is why pandas has the tools to deal with it.
Datetimes too (if you use pd.NaT you won't need to specify the dtype)
In [24]: s = ...
@OneToMany List vs Set difference
...heir addresses. The solution in this case is to make two queries (which avoids the cartesian product), or to use a Set instead of a List for at least one of the collections.
It's often hard to use Sets with Hibernate when you have to define equals and hashCode on the entities and don't have an immu...
MVC4 style bundle giving 403
... bundling/minification is enabled, some of my bundles seem to have an invalid URL in the browser (ending with a /), and IIS gives a 403 forbidden error, as if trying to list a folder's contents.
...
Mockito test a void method throws an exception
I have a method with a void return type. It can also throw a number of exceptions so I'd like to test those exceptions being thrown. All attempts have failed with the same reason:
...