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How can I do division with variables in a Linux shell?
...tor in case statements than it can't resolve it.
In that case use simple strings like div or devide or something else.
See the code
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Multiple file upload in php
...sure to look for empty file names and paths, the array might contain empty strings. Use array_filter() before count.
Here is a down and dirty example (showing just relevant code)
HTML:
<input name="upload[]" type="file" multiple="multiple" />
PHP:
//$files = array_filter($_FILES['upload...
How can I ask the Selenium-WebDriver to wait for few seconds in Java?
...gt;() {
@Override
public Boolean apply(WebDriver driver) {
String script = "if (typeof window != 'undefined' && window.document) { return window.document.readyState; } else { return 'notready'; }";
Boolean result;
try {
result = ((JavascriptExecuto...
iOS 7's blurred overlay effect using CSS?
...vas for rendering document as an image.
The image is converted to data-url string and it is painted as the popup's background-image.
Popup's bg is blurred by -webkit-filter:blur
Append the popup into document.
While you're dragging the popup, it changes its own background-position.
...
In what order do static/instance initializer blocks in Java run?
...("Static block called");
}
}
class Test {
public static void main (String [] args) {
system.out.println(Sub.i);
}
}
The above code outputs 10
Update from an "editor"
The technical explanation for this is in JLS 12.4.1
"A reference to a static field (§8.3.1.1) causes i...
Rails - Nested includes on Active Records?
... I think you mean as_json -- otherwise this renders the JSON string.
– Meekohi
Apr 5 '17 at 15:48
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BigDecimal setScale and round
...of your BigDecimal getting set? How are you outputting the value (using a String.format() might hide significant digits)?
– dale peters
Oct 25 '16 at 14:58
...
Is there a destructor for Java?
... System.out.println("closing...");
}
public static void main(String[] args) {
try (Closeable c = new Closeable()) {
System.out.println("trying...");
throw new Exception("throwing...");
}
catch (Exception e) {
System.out.prin...
What is the difference between “instantiated” and “initialized”?
...are value types. In contrast, any class you create is a reference type. C# strings are also a reference type. Most things in the .NET framework are reference types.
Parts of a Variable
There is the variable name and it's value. Two parts.
The variable's name is what you declare it to be. The valu...
Java and SQLite [closed]
...mport java.sql.Statement;
public class Test {
public static void main(String[] args) throws Exception {
Class.forName("org.sqlite.JDBC");
Connection conn = DriverManager.getConnection("jdbc:sqlite:test.db");
Statement stat = conn.createStatement();
stat.executeUp...