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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
...a document-oriented system relies on internal structure in the document in order to extract metadata that the database engine uses for further optimization.
If we deals about difference between MOngoDb and Cassandra.
MongoDB acts much like a relational database. Its data model consists of a databa...
What is the difference between onBlur and onChange attribute in HTML?
...hat field's value changes. These events will not always occur in the same order, however.
In Firefox, tabbing out of a changed field will fire onchange then onblur, and it will normally do the same in IE. However, if you press the enter key instead of tab, in Firefox it will fire onblur then onch...
How can I open several files at once in Vim?
...mplete the answer with the following suggestion: As a good practice and in order to show how to apply the same set of commands to all files that have been opened, you can execute the following command to apply all the orders contained in my_commands_batch.vim file :argdo source my_commands_batch.vim...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...S says, If an integer multiplication overflows, then the result is the low-order bits of the mathematical product as represented in some sufficiently large two's-complement format. As a result, if overflow occurs, then the sign of the result may not be the same as the sign of the mathematical produc...
Matplotlib discrete colorbar
...e description of each category : 1 (blue) is Sea; 2 (red) is burnt, etc... Order should be respected here ! Or using another dict maybe could help.
labels = np.array(["Sea","City","Sand","Forest"])
len_lab = len(labels)
# prepare normalizer
## Prepare bins for the normalizer
norm_bins = np.sort([*c...
Difference between initLoader and restartLoader in LoaderManager
...to load that data. Let's assume we use a CursorLoader querying a table for orders. If a new order is added to that table the CursorLoader uses onContentChanged() to inform the UI to update and show the new order (no need to use restartLoader in this case). If we want to display only open orders we n...
Dark theme in Netbeans 7 or 8
...re 2 themes that comes with this plugin - Dark Metal & Dark Nimbus
In order to switch themes, use the below option :
Tools -> Options -> Miscellaneous -> Windows -> Preferred Look & Feel option
share
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SAML: Why is the certificate within the Signature?
...me from, and how could you validate it?" - what are you talking about? In order to trust a signature in a SAML message, you must already have a list of trusted public certificates. You could use the Issuer element and store that issuer's certificate against that, and pick that certificate against ...
Operator overloading : member function vs. non-member function?
... overloaded member function for expressions like s1 + 10.0.
To solve this ordering problem, we define operator overloaded function as friend IF it needs to access private members. Make it friend ONLY when it needs to access private members. Otherwise simply make it non-friend non-member function to...
What is the best algorithm for overriding GetHashCode?
... /// <summary>
/// Gets a hashcode for a collection for that the order of items
/// does not matter.
/// So {1, 2, 3} and {3, 2, 1} will get same hash code.
/// </summary>
public static int GetHashCodeForOrderNoMatterCollection<T>(
IEnumerable<T> ...