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Create a string with n characters
...r;
/**
* Creates a string of spaces that is 'spaces' spaces long.
*
* @param spaces The number of spaces to add to the string.
*/
public String spaces( int spaces ) {
return CharBuffer.allocate( spaces ).toString().replace( '\0', ' ' );
}
Invoke using:
System.out.printf( "[%s]%n", spaces( ...
FormData.append(“key”, “value”) is not working
...etzaffin: Both Firebug and Chrome's inspector let you see the sent request parameters in an XHR request as long as you've opened the network tab and started logging, so you should be able to get by on that. You could also make a wrapper object that logs the fields and appends to the FormData, and th...
How do I run Python code from Sublime Text 2?
... the meaning of option "-u"? I cannot find the list option of command line params to pass together with python.exe.
– Jim Raynor
Apr 18 '14 at 20:33
...
Converting java.util.Properties to HashMap
...ava.util.Map , And java.util.HashMap's constructor receives a Map type param. So, why must it be converted explicitly?
...
Find a class somewhere inside dozens of JAR files?
...t<String> foundIn = new LinkedList<String>();
/**
* @param args the first argument is the path of the file to search in. The second may be the
* class file to find.
*/
public static void main(String[] args) {
if (!CLASS_FILE_TO_FIND.endsWith(".class...
Get Specific Columns Using “With()” Function in Laravel Eloquent
...rs.
Remember that the primary key (id in this case) needs to be the first param in the
$query->select() to actually retrieve the necessary results.*
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What is the colon operator in Ruby?
...to identify things. In particular, it uses them as keys when naming method parameters and looking things up in hashes.
redirect_to :action => "edit", :id => params[:id]
You can think of symbols as string literals that are magically made into constants. Alternatively, you can consider th...
Set ImageView width and height programmatically?
...e the same problem, to set the height of the ImageView:
imageView.getLayoutParams().height = 20;
Important. If you're setting the height after the layout has already been 'laid out', make sure you also call:
imageView.requestLayout();
...
Remove directory which is not empty
...lso renamed function to rimraf ;)
/**
* Remove directory recursively
* @param {string} dir_path
* @see https://stackoverflow.com/a/42505874/3027390
*/
function rimraf(dir_path) {
if (fs.existsSync(dir_path)) {
fs.readdirSync(dir_path).forEach(function(entry) {
var entry_...
Increase heap size in Java
...
You can increase the Heap Size by passing JVM parameters -Xms and -Xmx like below:
For Jar Files:
java -jar -Xms4096M -Xmx6144M jarFilePath.jar
For Java Files:
java -Xms4096M -Xmx6144M ClassName
The above parameters increase the InitialHeapSize (-Xms) to 4GB (409...