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Difference between a user and a schema in Oracle?
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From Ask Tom
You should consider a schema to be the user account and collection of all objects therein
as a schema for all intents and purposes.
SCOTT is a schema that includes the EMP, DEPT and BONUS tables with various grants, ...
What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...elp you to understand things better. So, consider the following class:
package test;
public class Demo {
public Demo() {
System.out.println("Hi!");
}
public static void main(String[] args) throws Exception {
Class clazz = Class.forName("test.Demo");
Demo demo ...
Is it safe to push_back an element from the same vector?
If the second push_back causes a reallocation, the reference to the first integer in the vector will no longer be valid. So this isn't safe?
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Do something if screen width is less than 960 px
How can I make jQuery do something if my screen width is less than 960 pixels? The code below always fires the 2nd alert, regardless of my window size:
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jQuery get value of selected radio button
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Just use.
$('input[name="name_of_your_radiobutton"]:checked').val();
So easy it is.
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Could not launch process launch failed: timed out waiting for app to launch
...cate instead of Developer one when running the app from Xcode. You may check it out your target --> Build Settings --> Code signing.
As @AndyDynn pointed out in his comment:
Make sure you do this on the "Target" build settings and not just the "Project" build settings.
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How to make a variadic macro (variable number of arguments)
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Alex BAlex B
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How to See the Contents of Windows library (*.lib)
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Assuming you're talking about a static library, DUMPBIN /SYMBOLS shows the functions and data objects in the library. If you're talking about an import library (a .lib used to refer to symbols exported from a DLL), then you want DUMPBIN /EXPOR...
Java String array: is there a size of method?
I come from a php background and in php, there is an array_size() function which tells you how many elements in the array are used.
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PHP - How to check if a string contains a specific text [duplicate]
...the strpos function: http://php.net/manual/en/function.strpos.php
$haystack = "foo bar baz";
$needle = "bar";
if( strpos( $haystack, $needle ) !== false) {
echo "\"bar\" exists in the haystack variable";
}
In your case:
if( strpos( $a, 'some text' ) !== false ) echo 'text';
Note that my...