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Should each and every table have a primary key?
...ility. And the clustering argument is dependent on which DBMS you use, and mixes logical and physical considerations.
– Jon Heggland
Apr 29 '19 at 11:04
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How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
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Proxy, Decorator, Adapter, and Bridge are all variations on "wrapping" a class. But their uses are different.
Proxy could be used when you want to lazy-instantiate an object, or hide the fact that you're calling a remote service, or control access to the object.
Decorator i...
Get the _id of inserted document in Mongo database in NodeJS
I use NodeJS to insert documents in MongoDB. Using collection.insert I can insert a document into database like in this code:
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Making an iframe responsive
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I present to you The Incredible Singing Cat solution =)
.wrapper {
position: relative;
padding-bottom: 56.25%; /* 16:9 */
padding-top: 25px;
height: 0;
}
.wrapper iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}...
Entity Framework vs LINQ to SQL
... relationships to many different ADO.Net data providers. As such, you can mix and match a number of different database vendors, application servers or protocols to design an aggregated mash-up of objects which are constructed from a variety of tables, sources, services, etc. ADO.Net Framework was ...
Why does Java's hashCode() in String use 31 as a multiplier?
...power of two, the lower-order, rightmost bits are populated as well, to be mixed with the next piece of data going into the hash.
The expression n * 31 is equivalent to (n << 5) - n.
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Use JNI instead of JNA to call native code?
...s automatically. For example, JANET (disclaimer: I wrote it) allows you to mix Java and C++ code in a single source file, and e.g. make calls from C++ to Java using standard Java syntax. For example, here's how you'd print a C string to the Java standard output:
native "C++" void printHello() {
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Typedef function pointer?
...ss-specifier.
In the type declaration-specifiers you can see that you can mix many specifier types, the order of which does not matter.
For example, it is correct to say,
long typedef long a;
to define the type a as an alias for long long. So , to understand the typedef on the exhaustive use ...
Why should I learn Lisp? [closed]
...ve also read that it can be compiled.. are there implementations which can mix interpreted & compiled execution ? or which contain there own compiler ?
– centaurian_slug
Dec 5 '11 at 12:35
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Installing Java on OS X 10.9 (Mavericks)
...ere Oracle's JRE installs to. Apple's java (which stops at java 6) doesn't mix with oracle's quite as nicely as one might like
– Orion Edwards
Jan 10 '14 at 0:11
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