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When use getOne and findOne methods Spring Data JPA
...));
}
LockModeType type = metadata.getLockModeType();
Map<String, Object> hints = getQueryHints().withFetchGraphs(em).asMap();
return Optional.ofNullable(type == null ? em.find(domainType, id, hints) : em.find(domainType, id, type, hints));
}
And here em.find() is an Entit...
Which is the best Linux C/C++ debugger (or front-end to gdb) to help teaching programming? [closed]
...meaning no pointers, no classes, just plain old C, plus references and STL string and vectors). Students have no previous experience in programming, so I believe that using an interactive debugger would help them understand program flow, variables, and recursion.
...
jQuery validation: change default error message
...tnes The solution works for your scenario too. You just specify the format string, and the plugin does the rest: $.validator.messages.maxlength = "Please enter no more than {0} characters.";
– rusmus
Sep 29 '14 at 11:37
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jQuery: Return data after ajax call success [duplicate]
... this, where it is a simple call to a script that gives me back a value, a string..
5 Answers
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How to instantiate non static inner class within a static method?
...nerTwo(); //same as this.new InnerTwo()
}
public static void main(String args[]) {
MyClass outer = new MyClass();
InnerTwo x = outer.new InnerTwo(); // Have to set the hidden pointer
InnerOne y = new InnerOne(); // a "static" inner has no hidden pointer
Inn...
Could someone explain the pros of deleting (or keeping) unused code?
...urprising ways: reflection, dynamically calling routines concatenated from strings, eval, framework magic.
However, if there is a high probability that code will be used in the future, it is easier to add if it's right there along the other code instead of in the version control system. You might n...
round() doesn't seem to be rounding properly
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According to the docs, this style of string formatting will eventually go away. The new-style format would be "{:.1f}".format(n)
– whereswalden
Aug 7 '14 at 12:56
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When are you truly forced to use UUID as part of the design?
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@Chamnap uuid.raw will give you the byte string. The hash method is not useful to you. It's used for hash tables and comparison operations internally within Ruby. All the methods for converting to and from various UUID representations are defined as class methods an...
How to get thread id from a thread pool?
...rt java.util.concurrent.*;
class ThreadIdTest {
public static void main(String[] args) {
final int numThreads = 5;
ExecutorService exec = Executors.newFixedThreadPool(numThreads);
for (int i=0; i<10; i++) {
exec.execute(new Runnable() {
public void run() {
...
SignalR: Why choose Hub vs. Persistent Connection?
...ver side in the OnReceived method. You'd also have to deserialize the data string there instead of receiving the strongly typed objects as you do with hub methods.
There aren't many reasons to choose PersistentConnection over Hubs. One reason I'm aware of is that it is possible to send preserialize...