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Hidden Features of Java
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Double Brace Initialization took me by surprise a few months ago when I first discovered it, never heard of it before.
ThreadLocals are typically not so widely known as a way to store per-thread state.
Since JDK 1.5 Java has had extremely well implemented and...
How to disable editing of elements in combobox for c#?
... it look 3D and sometimes its just plain ugly.
You can prevent user input by handling the KeyPress event of the ComboBox like this.
private void ComboBox1_KeyPress(object sender, KeyPressEventArgs e)
{
e.Handled = true;
}
...
Naming threads and thread-pools of ExecutorService
...hreadGroup and with the same NORM_PRIORITY priority and non-daemon status. By supplying a different ThreadFactory, you can alter the thread's name, thread group, priority, daemon status, etc. If a ThreadFactory fails to create a thread when asked by returning null from newThread, the executor will c...
How to convert a String into an ArrayList?
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Note that you can't add elements to the list returned by Arrays.asList. The OP wanted to have an ArrayList (which is completely reasonable) and the the ArrayList construction is necessary.
– aioobe
Nov 14 '14 at 17:37
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How do I list all tables in a schema in Oracle SQL?
...on't need distinct, that's true; however, owner, object_name is not unique by any means in dba_objects; Package Bodies and Packages both appear in that view, and Tables and Indexes are in different namespaces.
– Adam Musch
Aug 20 '13 at 20:59
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Where did the name `atoi` come from?
... but in this listing of man pages from Third Edition Unix (1973) collected by Dennis Ritchie himself, it does contain the line:
atoi(III): convert ASCII to integer
In fact, even the first edition Unix (ca 1971) man pages list atoi as meaning Ascii to Integer.
So even if there isn't any docum...
Does static constexpr variable inside a function make sense?
...§1.9) requires that all objects other than bit-fields occupy at least one byte of memory and have addresses; furthermore all such objects observable in a program at a given moment must have distinct addresses (paragraph 6). This does not quite require the compiler to create a new array on the stack...
What is the difference between a field and a property?
...o change the fields while not affecting the external way they are accessed by the things that use your class.
public class MyClass
{
// this is a field. It is private to your class and stores the actual data.
private string _myField;
// this is a property. When accessed it uses the un...
Remove or uninstall library previously added : cocoapods
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Since the accepted answer's side effects have been removed by a script written by Kyle Fuller - deintegrate, I'll post the proper workflow here:
Install clean:
$ sudo gem install cocoapods-clean
Run deintegrate in the folder of the project:
$ pod deintegrate
Clean:
$ pod clea...
ImportError: DLL load failed: %1 is not a valid Win32 application. But the DLL's are there
...unexpected "cv2.pyd" file in an Anaconda DLL directory that wasn't touched by multiple uninstall/install attempts. Python was looking there first and not finding my good installation. I deleted that cv2.pyd file and tried imp.find_module("cv2") again and python immediately found the right file and c...