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Is a LINQ statement faster than a 'foreach' loop?
...Birth = dateOfBirth;
}
}
public static void Main() => StartObjTest();
#region object test
public static void StartObjTest()
{
List<Employee> items = new List<Employee>();
for (int i = 0; i < 10000000; i++)
{
items...
How do I configure emacs for editing HTML files that contain Javascript?
I have started the painful first steps of using emacs to edit an HTML file with both HTML tags and javascript content. I have installed nxhtml and tried using it - i.e set up to use nxhtml-mumamo-mode for .html files. But I am not loving it. When I am editing the Javascript portion of the code ...
Parallel.ForEach vs Task.Factory.StartNew
...us. This can be duplicated using Parallel.ForEach by doing:
Task.Factory.StartNew( () => Parallel.ForEach<Item>(items, item => DoSomething(item)));
By doing this, you still take advantage of the partitioners, but don't block until the operation is complete.
...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
... locked, syscall will happen to add the calling thread into wait queue and start the waiting. Unlocking, if the wait queue is empty, is cheap but otherwise needs a syscall to wake up one of the waiting processes. (On some systems cheap/fast syscalls are used to implement the mutexes, they become slo...
SQLAlchemy: Creating vs. Reusing a Session
...ely call commit() or rollback() at request end, then it's fine, but if you start with a brand new Session, then there's not even any question that you're starting clean. So the idea to start each request with a new Session is really just the simplest way to make sure you're starting fresh, and to ...
How do I run all Python unit tests in a directory?
...
problems include: ImportError: Start directory is not importable:
– zinking
Nov 5 '13 at 2:25
6
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How to print colored text in Python?
... On Windows run os.system('color') first, then the ANSI escape sequences start working.
– Szabolcs
Dec 12 '18 at 16:53
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show 4 more comme...
How can I return to a parent activity correctly?
...ateUpFromSameTask(this); this method, it finishes the current activity and starts (or resumes) the appropriate parent activity. If the target parent activity is in the task's back stack, it is brought forward as defined by FLAG_ACTIVITY_CLEAR_TOP.
And to display Up button you have to declare setDis...
Should one use < or
...
I remember when I first started learning Java. I hated the concept of a 0-based index because I've always used 1-based indexes. So I would always use the <= 6 variant (as shown in the question). To my own detriment, because it would confuse me mo...
How to Create a circular progressbar in Android which rotates on it?
...droid:angle="0"
android:endColor="#007DD6"
android:startColor="#007DD6"
android:type="sweep"
android:useLevel="false" />
</shape>
</rotate>
And this is for its background(@drawable folder): circle_shape.xml
<?xml version="1.0" ...