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How do I install a module globally using npm?
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If you want to install a npm module globally, make sure to use the new -g flag, for example:
npm install forever -g
The general recommendations concerning npm module installation since 1.0rc (taken from blog.nodejs.org):
...
php execute a background process
...d to $pidfile.
That lets you easily monitor what the process is doing and if it's still running.
function isRunning($pid){
try{
$result = shell_exec(sprintf("ps %d", $pid));
if( count(preg_split("/\n/", $result)) > 2){
return true;
}
}catch(Exception ...
How to split a string in Java
... this takes a regular expression, so remember to escape special characters if necessary.
there are 12 characters with special meanings: the backslash \, the caret ^, the dollar sign $, the period or dot ., the vertical bar or pipe symbol |, the question mark ?, the asterisk or star *, the plus s...
How to determine an interface{} value's “real” type?
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Your example does work. Here's a simplified version.
package main
import "fmt"
func weird(i int) interface{} {
if i < 0 {
return "negative"
}
return i
}
func main() {
var i = 42
if w, ok := weird(7).(int); ok {
i += w
...
Should we @Override an interface's method implementation?
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-1 until the answer includes a mention about the different behaviour from Java 1.5 to 1.6 with regards to implementing an interface method. Just because I've seen it be a confusing aspect for people and it really merits a mention.
– Grundlefleck
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UIImageView aspect fit and center
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Just like @manohar said
imageView.contentMode = UIViewContentModeCenter;
if (imageView.bounds.size.width > ((UIImage*)imagesArray[i]).size.width && imageView.bounds.size.height > ((UIImage*)imagesArray[i]).size.height) {
imageView.contentMode = UIViewContentModeScaleAspectFit;...
Python CSV error: line contains NULL byte
... your current problem. As far as I know, using 'rU' mode would mess you up if there are embedded \r in the data, but not cause any other dramas. I also note that you have several files (all opened with 'rU' ??) but only one causing a problem.
If the csv module says that you have a "NULL" (silly mes...
Storing WPF Image Resources
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If you will use the image in multiple places, then it's worth loading the image data only once into memory and then sharing it between all Image elements.
To do this, create a BitmapSource as a resource somewhere:
<Bitm...
How can I add a custom HTTP header to ajax request with js or jQuery?
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There are several solutions depending on what you need...
If you want to add a custom header (or set of headers) to an individual request then just add the headers property:
// Request with custom header
$.ajax({
url: 'foo/bar',
headers: { 'x-my-custom-header': 'some value'...
Filtering DataGridView without changing datasource
... is your data source? My example assumes that you are using a DataTable. If you are using something else, check your casting. "as DataTable" in my example.
– Brad Bruce
Jan 25 '18 at 1:22
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