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How can I debug my JavaScript code? [closed]
...code. Put debugger; snippet in your JavaScript code. It will automatically start debugging the JavaScript code at that point.
For example:
Suppose this is your test.js file
function func(){
//Some stuff
debugger; //Debugging is automatically started from here
//Some stuff
}
func();
...
Notification click: activity already open
...if I click the notification and the activity is already opened, it's not started again, but just brought to front.
6 Ans...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
... The location (eg 18.0.1025.45) must be the name of the directory:
Must start and end with a number. A dot may appear in between.
The numbers do not necessarily have to match the real version number (though it's convenient to use real version numbers...).
Regarding configuration: ...
How does zip(*[iter(s)]*n) work in Python?
...chunk_size = 3
L = [1,2,3,4,5,6,7,8,9]
# iterate over L in steps of 3
for start in range(0,len(L),chunk_size): # xrange() in 2.x; range() in 3.x
end = start + chunk_size
print L[start:end] # three-item chunks
Following the values of start and end:
[0:3) #[1,2,3]
[3:6) #[4,5,6]
[6:9) #[...
How to run a shell script on a Unix console or Mac terminal?
...h myscript
To run a non-executable bash script, use:
bash myscript
To start an executable (which is any file with executable permission); you just specify it by its path:
/foo/bar
/bin/bar
./bar
To make a script executable, give it the necessary permission:
chmod +x bar
./bar
When a file ...
How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
...e Microsoft.AspNet.Web.Optimization
Create and configure bundle(s) in App_Start\BundleConfig.cs:
public class BundleConfig
{
public static void RegisterBundles(BundleCollection bundles) {
bundles.Add(new ScriptBundle("~/Scripts/jquery").Include(
"~/Scripts/Lib/jquery/jquery...
What is the difference between \r and \n?
...nd \n is line feed.
On "old" printers, \r sent the print head back to the start of the line, and \n advanced the paper by one line. Both were therefore necessary to start printing on the next line.
Obviously that's somewhat irrelevant now, although depending on the console you may still be able to...
Node.js setting up environment specific configs to be used with everyauth
...ronment with forever or pm2
Forever:
NODE_ENV=production forever [flags] start app.js [app_flags]
PM2 (via shell):
export NODE_ENV=staging
pm2 start app.js
PM2 (via .json):
process.json
{
"apps" : [{
"name": "My App",
"script": "worker.js",
"env": {
"NODE_ENV": "develop...
Change key pair for ec2 instance
... instance
Detach its /dev/xvda1 volume (let's call it volume A) - see here
Start new t1.micro EC2 instance, using my new key pair. Make sure you create it in the same subnet, otherwise you will have to terminate the instance and create it again. - see here
Attach volume A to the new micro instance, ...
Where is SQL Server Management Studio 2012?
...n=uninstall /features=Tools 2. Did the same thing to uninstall 2012 3. Restarted my computer 3. Reinstalled SSMS 2012 using SQLManagementStudio_x86_ENU.exe /action=install /features=Tools (idea came from - kushagrarakesh.blogspot.de/2012/03/…)
– pharophy
N...