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Boolean Field in Oracle
...anted to add a boolean field to an Oracle table. However, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches
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How does one capture a Mac's command key via JavaScript?
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EDIT: As of 2019, e.metaKey is supported on all major browsers as per the MDN.
Note that on Windows, although the ⊞ Windows key is considered to be the "meta" key, it is not going to be captured by browsers as such.
This is only for the command key on MacOS/keyboar...
Difference in months between two dates
...r of 'average months' between the two dates, the following should work for all but very huge date differences.
date1.Subtract(date2).Days / (365.25 / 12)
Note, if you were to use the latter solution then your unit tests should state the widest date range which your application is designed to work...
How do you sort an array on multiple columns?
...for the ordering. The thing you may be missing is that mysortfunction is called multiple times when you use Array.sort until the sorting is completed.
– dcp
Apr 23 '15 at 10:59
3
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Simple and fast method to compare images for similarity
...h the previous two.
Detectors of salient points/areas - such as MSER (Maximally Stable Extremal Regions), SURF or SIFT. These are very robust algorithms and they might be too complicated for your simple task. Good thing is that you do not have to have an exact area with only one icon, these detector...
How to add dividers and spaces between items in RecyclerView?
...to extend ItemDecoration, a RecyclerView's inner class:
An ItemDecoration allows the application to add a special drawing and layout offset to specific item views from the adapter's data set. This can be useful for drawing dividers between items, highlights, visual grouping boundaries and more.
All...
C++ include and import difference
...andard C/C++ preprocessor statement, used for including header (or occasionally other source code) files in your source code file.
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Converting ISO 8601-compliant String to java.util.Date
... hours off UTC, so the string does not necessarily end with ":00".
ISO8601 allows only the number of hours to be included in the time zone, so "+01" is equivalent to "+01:00"
ISO8601 allows the usage of "Z" to indicate UTC instead of "+00:00".
The easier solution is possibly to use the data type c...
How do you rebase the current branch's changes on top of changes being merged in?
...ing branch, and the changes get merged in without rebasing the history at all. If I run git-rebase master , then the changes in master are rebased to be put on the top of my working branch. But what if I want to merge in the changes from master but rebase my changes in working to be on top...
How to use z-index in svg elements?
...id="two" fill="orange" cx="100" cy="95" r="20" />
<!-- Finally draw again the green circle over the current canvas -->
<use xlink:href="#one"/>
</svg>
Notes on SVG 2
SVG 2 Specification is the next major release and still supports the above features.
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