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How to create new tmux session if none exists
...a tmux session if a named tmux session exists, if not I want to create a new one with the given name.
7 Answers
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What's the difference between session.persist() and session.save() in Hibernate?
...ity you are persisting;
session.save() for a detached object will create a new row in the table.
Persist()
Does not return generated Id after saving. Its return type is void;
Does not save the changes to the database outside of the transaction;
Assigns the generated Id to the entity you are persis...
How do I format a number in Java?
...tem.out.println(r); // r is 5.1234
int decimalPlaces = 2;
BigDecimal bd = new BigDecimal(r);
// setScale is immutable
bd = bd.setScale(decimalPlaces, BigDecimal.ROUND_HALF_UP);
r = bd.doubleValue();
System.out.println(r); // r is 5.12
f = (float) (Math.round(n*100.0f)/100.0f);
DecimalForm...
Status bar and navigation bar appear over my view's bounds in iOS 7
...
You can achieve this by implementing a new property called edgesForExtendedLayout in iOS7 SDK. Please add the following code to achieve this,
if ([self respondsToSelector:@selector(edgesForExtendedLayout)])
self.edgesForExtendedLayout = UIRectEdgeNone;
...
Render partial from different folder (not shared)
...say you want to add one.
Add a class to your Models folder:
public class NewViewEngine : RazorViewEngine {
private static readonly string[] NEW_PARTIAL_VIEW_FORMATS = new[] {
"~/Views/Foo/{0}.cshtml",
"~/Views/Shared/Bar/{0}.cshtml"
};
public NewViewEngine() {
// Keep ...
Best way for a 'forgot password' implementation? [closed]
...le password_change_requests with the columns ID, Time and UserID. When the new user presses the button, a record is created in the table. The Time column contains the time when the user pressed the "Forgot Password" button. The ID is a string. A long random string is created (say, a GUID) and then h...
Proper use cases for Android UserManager.isUserAGoat()?
I was looking at the new APIs introduced in Android 4.2 .
While looking at the UserManager class I came across the following method:
...
How to use Java property files?
...can pretty much be anywhere, and called anything.
Properties properties = new Properties();
try {
properties.load(new FileInputStream("path/filename"));
} catch (IOException e) {
...
}
Iterate as:
for(String key : properties.stringPropertyNames()) {
String value = properties.getProperty(ke...
When would you call java's thread.run() instead of thread.start()?
...
"Never" is a bit too absolute. Maybe don't always want a new thread, and still execute the code?
– Tomalak
Nov 4 '08 at 18:51
4
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What is the difference between IEnumerator and IEnumerable? [duplicate]
...ements one-by-one), and you need to define how that works. You'd create a new class implementing IEnumerator. But you'd still need to return that IEnumerator in an IEnumerable class.
For a look at what an enumerator (implementing IEnumerator<T>) looks like, see any Enumerator<T> class...