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How do I reference a javascript object property with a hyphen in it?
...g dynamic method names.
this means obj[method] would give you an undefined error
while obj["method"] would not
You must use this notation if you are using characters that are not allowed in js variables.
This regex pretty much sums it up
[a-zA-Z_$][0-9a-zA-Z_$]*
...
Defining an array of anonymous objects in CoffeeScript
...script will turn your array of objects into a flat array without a compile error:
data = [
one='one'
two='two'
,
one='1'
two='2'
]
Produces
['one', 'two', '1', '2']
Insert more Mountain Dew and replace the '=' with ':'.
...
Mongoose populate after save
...t.save(function(err) {
if (err) {
return res.json(500, {
error: 'Cannot save the post'
});
}
post.populate('group', 'name').populate({
path: 'wallUser',
select: 'name picture'
}, function(err, doc) {
res.json(doc);
});
});
...
Add x and y labels to a pandas plot
...
When I did ax.set_ylabel("y label"), it returns an error 'list' object is not callable. Any idea?
– Ledger Yu
Sep 5 '17 at 9:44
...
Is there a way to make HTML5 video fullscreen?
...bkitEnterFullscreen.
Chrome should support it since it's WebKit also, but errors out.
Chris Blizzard of Firefox said they're coming out with their own version of fullscreen which will allow any element to go to fullscreen. e.g. Canvas
Philip Jagenstedt of Opera says they'll support it in a later ...
Using group by on multiple columns
...ons, and this is the order that they must be set, otherwise you can get an error.
Aggregate Functions are:
MIN returns the smallest value in a given column
SUM returns the sum of the numeric values in a given column
AVG returns the average value of a given column
COUN...
How to get Locale from its String representation in Java?
..., String country)
Here is a sample code :)
// May contain simple syntax error, I don't have java right now to test..
// but this is a bigger picture for your algo...
public String localeToString(Locale l) {
return l.getLanguage() + "," + l.getCountry();
}
public Locale stringToLocale(String ...
Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”
...
ERROR: JAVA_HOME is set to an invalid directory. JAVA_HOME = "E:\Sun\SDK\jdk\bin" Please set the JAVA_HOME variable in your environment to match the location of your Java installation
JAVA_HOME should be set to E:\Sun\SDK\j...
SQL update from one Table to another based on a ID match
...As well as being standard SQL and thus more portable it also will raise an error in the event of there being multiple joined rows on the source side (and thus multiple possible different values to use in the update) rather than having the final result be undeterministic.
MERGE INTO Sales_Import
...
Uses for the Java Void Reference Type?
... to write utility classes with a constructor as private Void() { throw new Error(); }. Some may prefer a no-value enum.
– Tom Hawtin - tackline
Nov 4 '11 at 21:32
...