As you know by now, the commonly used collection classes, such as java.util.ArrayList, are not synchronized. However, if there’s a chance that two threads could be altering a collection concurrently,

The C preprocessor provides for conditional compilation in instances where large areas of text are ignored and stripped out, regardless of whether a given preprocessor constant was defined. For example:

The size of the database is the total size of the datafiles that make up the tablespaces of the database. These details are found in the dba_extents view. Type the

Suppose you want to pass an object to a method and also want to allocate the object into that method. If you pass the object as it is, it will

Using the DTPicker control is good except if you Related Posts Airwallex Eyes Explosive Latin American GrowthJames Webb telescope uncovers early black holesUse the Preload Resource Hint for Super-fast CSSBiden

Fields defined in interfaces are automatically public, static, and final. Being final, they cannot be Related Posts Batagay megaslump reveals ancient permafrost layersCircle to Search hints at potential upgradesReport: Apple

When writing an ATL DLL or an ActiveX Control DLL, developers used to take off the ATL_MIN_CRT. However, this action will increase the size of the DLL up to almost

If one is not careful with implicit typecasting, one can get very weird results that are not easy to detect.Look at the code below: int number;.. //some computation and codeint

Add the following procedure to your collection object: Public Function Item(ByVal Value as Variant) _as SomeObject Set Item = mCollection.Item(Value) ‘mCollection is your private module level ‘collection object.End Function Now,

It’s important to remember that you may want to use your classes in future projects. Overtime class files may change directories, or your next program could be for use on

If there are no calls to constructors in the initialization list, an implicit copy constructor of a derived class always calls the copy constructors of the base classes. On the

Function FormatProper(ByVal strName As String) As String’**********************************************************************’* Take any name string and return it in proper capitalization’********************************************************************** Dim strProperName As String Dim varProperName As Variant Dim intCount As Integer Dim

You can easily add animation when showing or hiding a window using the AnimateWindow API. There are three types of animation: roll, slide, and alpha-blended fade. The declaration of API

There are a few reasons why one would see this error, but the most common is in the ordering of the MFC header files. Over time, Microsoft has weeded out

If you are using IE 5.0, and you want to create a dynamic page which contains a xmlns declaration, the only place you can define it is in the tag.

Tiling a background picture across the entire form can be done with the following lines of code: Private Sub Form_Paint() Dim pic As StdPicture Dim X As Long Dim Y

When the client and the server machine have different communication protocol lists you can experience serious delays when the client tries to instantiate an object on the server, and you

Private Declare Function HtmlHelpTopic Lib “hhctrl.ocx” Alias “HtmlHelpA” _ (ByVal hwnd As Long, ByVal lpHelpFile As String, ByVal wCommand As Long, _ ByVal dwData As String) As Long’A HTML Help

Private Declare Function WNetConnectionDialog Lib “mpr.dll” (ByVal hwnd As Long, _ ByVal dwType As Long) As LongPrivate Declare Function WNetDisconnectDialog Lib “mpr.dll” (ByVal hwnd As Long, _ ByVal dwType As

Option ExplicitPrivate Declare Function SHGetPathFromIDList Lib “shell32.dll” Alias _ “SHGetPathFromIDListA” (ByVal pidl As Long, ByVal pszPath As String) As LongPrivate Declare Function SHGetSpecialFolderLocation Lib “shell32.dll” (ByVal _ hwndOwner As Long,

Private Type ChooseColorStruct lStructSize As Long hwndOwner As Long hInstance As Long rgbResult As Long lpCustColors As Long flags As Long lCustData As Long lpfnHook As Long lpTemplateName As StringEnd

Private Declare Function WNetConnectionDialog Lib “mpr.dll” (ByVal hwnd As Long, _ ByVal dwType As Long) As LongPrivate Declare Function WNetDisconnectDialog Lib “mpr.dll” (ByVal hwnd As Long, _ ByVal dwType As

Private Declare Sub Sleep Lib “kernel32” (ByVal dwMilliseconds As Long)’ Show a form with an explosion effect.’ the lNumSteps parameter is the number of steps to increase the form size

It Related Posts Using Cin.ignore() and Cin.get() FunctionsRevolutionary Algorithm Transforms Crop MonitoringGood enough strategies favor animal survivalApple declines as iPhone 16 sales disappointTop Web Development Companies in Gurgaon

Sometimes you run into a situtation where you want to delete all the files or a particular type of file (like text files – *.txt) in a folder.Here is a

Though each character of BSTR and Unicode strings are 2 characters wide, there is a fundamental difference between the two. BSTR strings have to be length prefixed, which means that

import java.text.*;import java.util.*;public class my_data { private SimpleDateFormat formatter; private Date currentdate; public my_data() { currentdate=new Date(); formatter=new SimpleDateFormat( Related Posts Worldwide Semiconductor Sales Grow 5.3%Objective-C Popularity DeclinesPractical Strategies for

Sometimes we may need to restrict users from entering anything besides numbers in a textbox. The following code can achieve this: Option ExplicitPrivate strClipboardText As StringPrivate Sub txtNumberBox_KeyPress(KeyAscii As Integer)

Please note that using the join function makes this code VB6 only (for only a small performance gain). dim i as longdim s as stringfor i = 0 to 100000

Define a class, say SessionTimeoutIndicator, which implements theinterface javax.servlet.http.HttpSessionBindingListener. Next create a SessionTimeoutIndicator object and add it to the user session. When the session is removed, the SessionTimeoutIndicator.valueUnbound() method will