大约有 11,422 项符合查询结果（耗时：0.0249秒） [XML]
DBMS_OUTPUT.PUT_LINE not printing
...In SQL Developer, you'd go to View | DBMS Output to enable the DBMS Output window, then push the green plus icon to enable DBMS Output for a particular session.
Additionally, assuming that you don't want to print the literal "a.firstNamea.lastName" for every row, you probably want
FOR row IN quo...
How do I pass command-line arguments to a WinForms application?
...in method as like below and pass these arguments to the constructor of the Windows form.
static class Program
{
[STAThread]
static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Applica...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...ges and manage everything with pip. (This is not that trivial if you're on Windows...)
Build your own conda packages, and manage everything with conda.
I would personally recommend the third option since it's very easy to build conda packages. There is a git repository of example recipes on the co...
In HTML5, is the localStorage object isolated per page/domain?
...onStorage works slightly differently in that it is distinct to the browser window itself. That is to say that other tabs or windows on the same domain do not have access to that same copy of the storage object.
share
...
What unique features does Firebug have that are not built-in to Firefox?
...rebug theme for Developer Tools
Mozilla today launched Firefox 48 for Windows, Mac, Linux, and Android. The browser has gained multi-processor support (finally), enhanced protection against harmful downloads, and media improvements on Android. Support for old OS X versions and Android Gingerbre...
Correct way of using JQuery-Mobile/Phonegap together?
...
}
// Transaction success callback
//
function successCB() {
var db = window.openDatabase("Database", "1.0", "PhoneGap Demo", 200000);
db.transaction(queryDB, errorCB);
}
// Cordova is loaded and it is now safe to make calls Cordova methods
//
function onDeviceReady() {
// Now safe to ...
Why is Thread.Sleep so harmful
...
The length of a timeslice is different on different versions/types of
Windows and different processors and generally ranges from 15 to 30
milliseconds. This means the thread is almost guaranteed to block for
more than n milliseconds. The likelihood that your thread will
re-awaken exactl...
What is the definition of “interface” in object oriented programming
...
In Windows programming interfaces are used quite widely, so even in C++ you can meet "interfaces" in a way of objects that are decoupled from the implementation.
– Victoria
Jul 3 '17 at 18:...
showDialog deprecated. What's the alternative?
...nt, Bundle) with null arguments.
Why
A fragment that displays a dialog window, floating on top of its activity's window. This fragment contains a Dialog object, which it displays as appropriate based on the fragment's state. Control of the dialog (deciding when to show, hide, dismiss it) should ...
How to check visibility of software keyboard in Android?
...om there calculate the size diff between your activity's view root and the window size:
final View activityRootView = findViewById(R.id.activityRoot);
activityRootView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
...