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Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
...ng 4.3).
A variant of ObjectFactory designed specifically for injection points,
allowing for programmatic optionality and lenient not-unique handling.
and use its getObject(Object... args) method
Return an instance (possibly shared or independent) of the object
managed by this factory.
Allows for...
Linux: is there a read or recv from socket with timeout?
...o add a time out to your recv function using poll in C:
struct pollfd fd;
int ret;
fd.fd = mySocket; // your socket handler
fd.events = POLLIN;
ret = poll(&fd, 1, 1000); // 1 second for timeout
switch (ret) {
case -1:
// Error
break;
case 0:
// Timeout
...
What is meaning of boolean value returned from an event-handling method in Android
...
If you return true from an ACTION_DOWN event you are interested in the rest of the events in that gesture. A "gesture" in this case means all events until the final ACTION_UP or ACTION_CANCEL. Returning false from an ACTION_DOWN means you do not want the event and other views w...
Creating Threads in python
...port sleep
def threaded_function(arg):
for i in range(arg):
print("running")
sleep(1)
if __name__ == "__main__":
thread = Thread(target = threaded_function, args = (10, ))
thread.start()
thread.join()
print("thread finished...exiting")
Here I show how to use ...
C++ Exceptions questions on rethrow of original exception
...t's happening:
#include <stdio.h>
struct MyErr {
MyErr() {
printf(" Base default constructor, this=%p\n", this);
}
MyErr(const MyErr& other) {
printf(" Base copy-constructor, this=%p from that=%p\n", this, &other);
}
virtual ~MyErr() {
printf(" Base destructo...
Java resource as file
...RL dir_url = ClassLoader.getSystemResource(dir_path);
// Turn the resource into a File object
File dir = new File(dir_url.toURI());
// List the directory
String files = dir.list()
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How can I create a unique constraint on my column (SQL Server 2008 R2)?
...
To create these constraints through the GUI you need the "indexes and keys" dialogue not the check constraints one.
But in your case you just need to run the piece of code you already have. It doesn't need to be entered into the expression dialogu...
JavaScript string encryption and decryption?
I'm interested in building a small app for personal use that will encrypt and decrypt information on the client side using JavaScript. The encrypted information will be stored in a database on a server, but never the decrypted version.
...
Creating an empty Pandas DataFrame, then filling it?
...pandas DataFrame docs here: http://pandas.pydata.org/pandas-docs/stable/dsintro.html
5 Answers
...
proper hibernate annotation for byte[]
...pes, wrappers
of the primitive types,
java.lang.String,
java.math.BigInteger,
java.math.BigDecimal,
java.util.Date,
java.util.Calendar, java.sql.Date,
java.sql.Time, java.sql.Timestamp,
byte[], Byte[], char[], Character[], enums, and any other
type that implements Serializable.
A...