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Maven Install on Mac OS X
...n you just install Maven using:
brew install maven
PS: If you got a 404 error, try doing a brew update just before
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Create a git patch from the uncommitted changes in the current working directory
...ight have to be well-synced for this whole option to work. I've seen some errors when applying patches when the person making them hadn't pulled down as many changes as I had. There are probably ways to get it to work, but I haven't looked far into it.
Here's how to create the same patches in T...
How to use the IEqualityComparer
...e general case.
If things don't seem to be working (such as duplicate key errors when doing ToDictionary) put a breakpoint inside Equals to make sure it's being hit and make sure you have GetHashCode defined (with override keyword).
...
HTML text input field with currency symbol
...retain input validation highlighting, such as a red border when there's an error.
JSFiddle usage example with Bootstrap and Font Awesome
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Passing route control with optional parameter after root in express?
...returned by client.get. I'm thrown a cannot call method 'indexOf' of null error.
– Qcom
Jul 22 '11 at 2:25
Also, woul...
what is the difference between 'transform' and 'fit_transform' in sklearn
...-----------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-13-e3b6b8ea2aff> in <module>()
----> 1 pc2.transform(X)
/usr/local/lib/python3.4/dist-packages/sklearn/decomposition/pca.py in ...
How can I perform a reverse string search in Excel without using VBA?
...tains no spaces, add the following to the beginning of the formula:
=IF(ISERROR(FIND(" ",A1)),A1, ... )
making the entire formula now:
=IF(ISERROR(FIND(" ",A1)),A1, RIGHT(A1,LEN(A1) - FIND("|",
SUBSTITUTE(A1," ","|",LEN(A1)-LEN(SUBSTITUTE(A1," ",""))))))
Or you can use the =IF(COUNTIF(A1,"...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
.../
.demoimage {}
/* Not recommended: uses underscore instead of hyphen */
.error_status {}
/* Recommended */
#video-id {}
.ads-sample {}
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Convert from enum ordinal to enum type
...tic block, the class
// won't be initialized
log.error("Unexpected exception initializing " + ReportTypeEnum.class, e);
}
}
public static ReportTypeEnum fromDbValue(Integer dbValue) {
return lookup.get(dbValue);
}
public Integer getDbValue...
How does the HyperLogLog algorithm work?
...e, but it is still tiny). Using math skills they were able to quantify the error (which is 1.3/sqrt(number of buckets)).
HyperLogLog
HyperLogLog does not introduce any new ideas, but mostly uses a lot of math to improve the previous estimate. Researchers have found that if you remove 30% of the bi...