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Extract substring in Bash
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What if i want to extract the digit/word from last line of the file.
– A Sahra
Mar 16 '17 at 6:27
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How to use wait and notify in Java without IllegalMonitorStateException?
...r but you don't want to continue your code till you get answer or in other word get onResponse call. Here enters 'Synchronize helper':
public class SyncronizeObj {
public void doWait(long l){
synchronized(this){
try {
this.wait(l);
} catch(InterruptedException e) {
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How do I convert from int to String?
...nderstanding of classes or methods. Usually, this is taught way before the word “class” is ever mentioned – nor even method calls. So using something like String.valueOf(…) would confuse students.
It is an illustration of “operator overloading” – in fact, this was sold to us as the idi...
creating a strikethrough text?
...just copying my answer. Hope it will help for someone
If you have a single word we can use drawable.
Following is the example:
<item android:state_pressed="false"><shape android:shape="line">
<stroke android:width="2dp" android:color="#ffffff" />
</shape>
</...
Why does a return in `finally` override `try`?
...will be returned from the function. But if in finally there is no 'return' word - it will be returned the value from try block;
function example() {
try {
return true;
}
finally {
console.log('finally')
}
}
console.log(example());
// -> finally
// -> true
So -...
When to use extern in C++
... (at what's usually called “the file scope”) and without the static keyword.
header:
#ifndef HEADER_H
#define HEADER_H
// any source file that includes this will be able to use "global_x"
extern int global_x;
void print_global_x();
#endif
source 1:
#include "header.h"
// since global_x ...
Lightweight XML Viewer that can handle large files [closed]
...udio.
JEdit is open-source and also has plugins for XML, XPath and XSLT.
Word-2003 is fairly good for visualizing (but don't use it for editing). Excel-2003 and up also does a good job at visualizing flat XML data and can apply XSL transformations (again, no good as an editor).
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Android “Only the original thread that created a view hierarchy can touch its views.”
...ide it looks reasonably thread safe (although I'm fully prepared to eat my words).
– David
Mar 7 '19 at 0:13
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How can I clear an HTML file input with JavaScript?
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Just a word of warning, using approaches 2. or 3. might have implications for you if you want to preserve events and other attributes that were added to an element programmatically. In my case, I added an onclick event to a form ele...
How to resolve “must be an instance of string, string given” prior to PHP 7?
... the error message was referring solely to the string primitive type - the word 'instance' should have given me pause. An example to illustrate further:
class string { }
$n = 1234;
$s1 = (string)$n;
$s2 = new string();
$a = array('no', 'yes');
printf("\$s1 - primitive string? %s - string instance? %...