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What's the difference between session.persist() and session.save() in Hibernate?
...n 2 , vehicle entity obtained in previous session is a detached object and now we will try to save / persist it
// (i) Using Save() to persist a detached object
Session session2 = factory.openSession();
session2.beginTransaction();
entity.setVehicleName("Toyota");
session2.save(entity);
session2.g...
How to POST JSON Data With PHP cURL?
... so you dont have to explicitly specify it is POST request? Its known because CURLOPT_POSTFIELDS is set?
– Srneczek
Nov 26 '15 at 18:16
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How can I exclude directories from grep -R?
...gt;/dev/null \;
SOLUTION 2 (using the --exclude-dir option of grep):
You know this solution already, but I add it since it's the most recent and efficient solution. Note this is a less portable solution but more human-readable.
grep -R --exclude-dir=node_modules 'some pattern' /path/to/search
To e...
Why does Java allow us to compile a class with a name different than the file name?
...advent of nested / anonymous classes, if the same decision were to be made now (not caring about backwards compatibility) it would make much more sense to just allow one top level class per file.
– Michael Berry
Nov 25 '13 at 14:45
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When to use: Java 8+ interface default method, vs. abstract method
...venience methods, thus constraining the implementor to single inheritance, now you can have a really clean design with just the interface and a minimum of implementation effort forced on the programmer.
The original motivation to introduce default methods to Java 8 was the desire to extend the Coll...
Difference between string and char[] types in C++
I know a little C and now I'm taking a look at C++.
I'm used to char arrays for dealing with C strings, but while I look at C++ code I see there are examples using both string type and char arrays:
...
How to get current foreground activity context in android?
...
Knowing that ActivityManager manages Activity, so we can gain information from ActivityManager. We get the current foreground running Activity by
ActivityManager am = (ActivityManager)context.getSystemService(Context.ACTIVITY...
Storing Images in DB - Yea or Nay?
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Re: "super-accelerating" products: Most web servers can now take advantage of the sendfile() system call to deliver static files asynchronously to the client. It offloads to the operating system the task of moving the file from disk to the network interface. The OS can do this muc...
How does one make an optional closure in swift?
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Do you know what the rationale is for having to enclose it in parenthesis?
– Marcosc
Jun 24 '14 at 20:56
5
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Java URL encoding of query string parameters
...coding of the platform is used.
See also:
What every web developer must know about URL encoding
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