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How to copy a collection from one database to another in MongoDB
...estion for toying around with the shell. Plus, it would not bring over the indexes. If I was doing this, I would do the mongodump/mongorestore every time.
– Jason McCay
Jul 19 '12 at 6:18
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Programmatically get the cache line size?
...x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also.
– Abid Rahman K
Aug 8 '13 at 4:43
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UTF-8: General? Bin? Unicode?
... that with utf8_general_ci when using a varchar field as unique or primary index inserting 2 values like 'a' and 'á' would give a duplicate key error.
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Opacity of div's background without affecting contained element in IE 8?
...iv with this set of styles:
position: fixed;
width: 100%;
height: 100%;
z-index: 1000; /* some high enough value so it will render on top */
opacity: .5;
filter: alpha(opacity=50);
Then when you display the content it should have a higher z-index. But these two elements are not related in terms o...
How to change facet labels?
...beller=hospital_labeller)
...
This uses the levels of the data frame to index the hospital_names list, returning the list values (the correct names).
Please note that this only works if you only have one faceting variable. If you have two facets, then your labeller function needs to return a d...
std::next_permutation Implementation Explanation
...ion. It changes the given
permutation in-place.
Find the largest index k such that a[k] < a[k + 1]. If no such index
exists, the permutation is the last permutation.
Find the largest index l such that a[k] < a[l]. Since k + 1 is such an index, l is
well defined and satisfies k...
Get real path from URI, Android KitKat new storage access framework [duplicate]
... column, sel, new String[]{ id }, null);
String filePath = "";
int columnIndex = cursor.getColumnIndex(column[0]);
if (cursor.moveToFirst()) {
filePath = cursor.getString(columnIndex);
}
cursor.close();
Reference: I'm not able to find the post that this solution is taken from. I wanted ...
Change the selected value of a drop-down list with jQuery
...are a little more complicated if this isn't the case.
To read the selected index of a drop down list, you would use this:
$("#dropDownList").prop("selectedIndex");
To set the selected index of a drop down list, you would use this:
$("#dropDownList").prop("selectedIndex", 1);
Note that the prop() f...
Parsing JSON Object in Java [duplicate]
...rieve JSONArray from JSONObject (created at 2nd step) using "interests" as index.
4.) Traverse JASONArray using loops upto the length of array provided by length() function
5.) Retrieve your JSONObjects from JSONArray using getJSONObject(index) function
6.) Fetch the data from JSONObject using...
What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?
...duced in SQL Server 2008. They are designed for this kind of task and make indexing and querying much easier and more efficient.
More information:
MS TechNet: SQL Server 2008 Spatial Data Types,
MSDN: Working with Spatial Data (Database Engine).
...