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Java ArrayList how to add elements at the beginning
... beginning of the array (so it has the lowest index) and if the array has 10 elements adding a new results in deleting the oldest element (the one with the highest index).
...
Tool to read and display Java .class versions
...s.java"
public class MyClass
SourceFile: "MyClass.java"
minor version: 0
major version: 46
...
To only show the version:
WINDOWS> javap -verbose MyClass | find "version"
LINUX > javap -verbose MyClass | grep version
...
PHP 5.4 Call-time pass-by-reference - Easy fix available?
...lone are enough to correctly pass the argument by reference. As of PHP 5.3.0, you will get a warning saying that "call-time pass-by-reference" is deprecated when you use & in foo(&$a);.
For example, instead of using:
// Wrong way!
myFunc(&$arg); # Deprecated pass-by-refe...
Difference between Dictionary and Hashtable [duplicate]
...ing (and compile-time verification)
use without boxing
If you are .NET 2.0 or above, you should prefer Dictionary<TKey,TValue> (and the other generic collections)
A subtle but important difference is that Hashtable supports multiple reader threads with a single writer thread, while Dictiona...
Check if a JavaScript string is a URL
...ted Feb 25 '19 at 15:23
3limin4t0r
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answered Apr 19 '11 at 13:29
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Importing a Maven project into Eclipse from Git
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103
+50
Eclipse ...
bundle install fails with SSL certificate verification error
...
WillWill
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How to draw a circle with text in the middle?
...enter the text vertically. In this example the height and line-height are 500px.
Example
JSFiddle
.circle {
width: 500px;
height: 500px;
line-height: 500px;
border-radius: 50%;
font-size: 50px;
color: #fff;
text-align: center;
background: #000
}
<div class="circle">Hello I...
Remove header and footer from window.print()
...
150
In Chrome it's possible to hide this automatic header/footer using
@page { margin: 0; }
Since...
Error - trustAnchors parameter must be non-empty
...ll -Djavax.net.ssl.trustStore=/Another/path/to/cacerts -jar test_get_https-0.0.1-SNAPSHOT-jar-with-dependencies.jar https://www.calca.com.py 2>&1| grep -i truststore
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