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What's the difference between session.Merge and session.SaveOrUpdate?
...ame="emp_id")
private int id;
@Column(name="emp_name")
private String name;
@Column(name="salary")
private int Salary;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getSalary() {
...
What does LINQ return when the results are empty
... the following ToList() will throw an exception or just a empty List<string> if nothing found in IEnumerable result?
...
vim command to restructure/force text to 80 columns
... Is there a way to do this with lines that are just one long string of characters, with no spaces? EDIT: I've discovered the "fold" utility. Still wondering about doing this in vi.
– Donald Smith
Jun 2 '15 at 18:38
...
Need a simple explanation of the inject method
...r simple example to create a hash from an array of objects, keyed by their string representation:
[1,"a",Object.new,:hi].inject({}) do |hash, item|
hash[item.to_s] = item
hash
end
In this case, we are defaulting our accumulator to an empty hash, then populating it each time the block executes...
How do HttpOnly cookies work with AJAX requests?
...kOverflow domain, and then save the result of getAllResponseHeaders() to a string, regex out the cookie, and then post that to an external domain. It appears that Wikipedia and ha.ckers concur with me on this one, but I would love be re-educated...
That's correct. You can still session hijack tha...
Properties vs Methods
... setting the Text property of the Label this is how I would do it:
public string Title
{
get{ return titleLabel.Text;}
set{ titleLabel.Text = value;}
}
Setting the text:
Title = "Properties vs Methods";
share
...
How to move a file?
...edit. Also, its best to use os.path.join(parent_path, filename) instead of string concatenation to avoid cross-platform issues
– iggy12345
Mar 20 '19 at 21:13
...
What is a thread exit code?
...or code 259 even after calling Wait(). Here is my code: static void Main(string[] args) { var t = new Task<object>(() => SomeOp(2)); t.Start(); t.Wait(); } The thing is, Tasks are executed by thread pool threads and based on thread pool'...
How to print the current Stack Trace in .NET without any exception?
...nostics.StackTrace is to use System.Environment.StackTrace which returns a string-representation of the stacktrace.
Another useful option is to use the $CALLER and $CALLSTACK debugging variables in Visual Studio since this can be enabled run-time without rebuilding the application.
...
Getting parts of a URL (Regex)
..., and it will trip up most other regexes I have seen. @RémyDAVID The querystring is also not parsed normally by the browser location object. If you need to parse the query string, have a look at my tiny library for that: uqs.
– Stijn de Witt
Jan 26 '17 at 8:30...