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What is the difference between varchar and varchar2 in Oracle?
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Currently, they are the same. but previously
Somewhere on the net, I read that,
VARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never will. ...
How to include js file in another js file? [duplicate]
...nvironment, I can see that **the order of execution of the scripts in Internet Explorer 8 can differ in the inclusion of the JavaScript*. It is a very difficult issue if you need include scripts that are dependent on one another. The issue is described in Loading Javascript files in parallel, and th...
How do I make my GUI behave well when Windows font scaling is greater than 100%
..., and fixing it might either require Embarcadero to rewrite a pure native .Net tree control for their data explorer, or to write some DPI-check-and-modify-properties code to change item heights in the control. Not even microsoft WinForms can handle high DPI cleanly, automatically and without custom ...
What is SQL injection? [duplicate]
...comment causing the database server to ignore the rest of the string. The net result is the user can now log in as the administrator without having to know the password. SQL Inection can also be used to execute UPDATE, DELETE or DROP queries and really damage the database.
SQL Injection can be pr...
Advantages of Binary Search Trees over Hash Tables
...for the article - web.archive.org/web/20100323091632/http://www.concentric.net/…
– rahulroy9202
Sep 13 '16 at 5:59
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Input with display:block is not a block, why not?
...r-box; /* Firefox 2 */
-ms-box-sizing: border-box; /* Internet Explorer 8 */
-webkit-box-sizing: border-box; /* Safari 3 */
-khtml-box-sizing: border-box; /* Konqueror */
}
</style>
<!-- The voodoo gets scary. Forc...
How do I unload (reload) a Python module?
... no cdleary, Django can't just use reload: pyunit.sourceforge.net/notes/reloading.html
– raylu
Oct 5 '12 at 5:54
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startsWith() and endsWith() functions in PHP
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I don't get it. Based on php.net/manual/en/function.strrpos.php: "If the value is negative, search will instead start from that many characters from the end of the string, searching backwards." This seems to indicate that we're starting at character 0 (d...
Makefiles with source files in different directories
...be not reachable. The same document is reachable here:
aegis.sourceforge.net
lcgapp.cern.ch
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What's the difference between SortedList and SortedDictionary?
...ey-value pairs and used to binary search.
Here is some source (targeting .NET 4.5) to backup my claims.
Private members
// Fields
private const int _defaultCapacity = 4;
private int _size;
[NonSerialized]
private object _syncRoot;
private IComparer<TKey> comparer;
private static TKey[] empt...