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Make sure only a single instance of a program is running
...bugs here.
You can install tend using one of the following methods:
easy_install tendo
pip install tendo
manually by getting it from http://pypi.python.org/pypi/tendo
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How to use `subprocess` command with pipes
I want to use subprocess.check_output() with ps -A | grep 'process_name' .
I tried various solutions but so far nothing worked. Can someone guide me how to do it?
...
How to get the width and height of an android.widget.ImageView?
...eight, finalWidth;
final ImageView iv = (ImageView)findViewById(R.id.scaled_image);
final TextView tv = (TextView)findViewById(R.id.size_label);
ViewTreeObserver vto = iv.getViewTreeObserver();
vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
public boolean onPreDraw() {
...
difference between foldLeft and reduceLeft in Scala
...ultingTuple, currentInteger) =>
(currentInteger :: resultingTuple._1, currentInteger + resultingTuple._2)
}
This method takes a List[Int] and returns a Tuple2[List[Int], Int] or (List[Int], Int). It calculates the sum and returns a tuple with a list of integers and it's sum. By the way th...
Download a file from NodeJS Server using Express
...e life easier.
app.get('/download', function(req, res){
const file = `${__dirname}/upload-folder/dramaticpenguin.MOV`;
res.download(file); // Set disposition and send it.
});
Old Answer
As far as your browser is concerned, the file's name is just 'download', so you need to give it more info ...
What do linkers do?
..., let's study a NASM x86-64 ELF Linux hello world:
section .data
hello_world db "Hello world!", 10
section .text
global _start
_start:
; sys_write
mov rax, 1
mov rdi, 1
mov rsi, hello_world
mov rdx, 13
syscall
; sys_exit
...
How to autosize a textarea using Prototype?
...ns)
{
this.textarea = $(textarea);
this.options = $H({
'min_height' : 30,
'max_length' : 400
}).update(options);
this.textarea.observe('keyup', this.refresh.bind(this));
this._shadow = new Element('div').setStyle({
lineHeight : this.textarea.getStyle('lineHe...
Getting Java version at runtime
... every JVM. There are two possible formats for it:
Java 8 or lower: 1.6.0_23, 1.7.0, 1.7.0_80, 1.8.0_211
Java 9 or higher: 9.0.1, 11.0.4, 12, 12.0.1
Here is a trick to extract the major version: If it is a 1.x.y_z version string, extract the character at index 2 of the string. If it is a x.y.z v...
What predefined macro can I use to detect clang?
...
Found the answer using strings + grep :
$ strings /usr/bin/clang | grep __ | grep -i clang
__clang__
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How to do date/time comparison
...heck.After(start) && check.Before(end)
}
func main() {
start, _ := time.Parse(time.RFC822, "01 Jan 15 10:00 UTC")
end, _ := time.Parse(time.RFC822, "01 Jan 16 10:00 UTC")
in, _ := time.Parse(time.RFC822, "01 Jan 15 20:00 UTC")
out, _ := time.Parse(time.RFC822, "01 Jan 17 10...