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Is JavaScript a pass-by-reference or pass-by-value language?
...s the output:
10
changed
unchanged
If obj1 was not a reference at all, then changing obj1.item would have no effect on the obj1 outside of the function.
If the argument was a proper reference, then everything would have changed. num would be 100, and obj2.item would read "changed".
Instead, th...
Validating URL in Java
...check both if the URL string is right i.e. the given protocol is valid and then to check if a connection can be established.
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Using npm behind corporate proxy .pac
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npm config set proxy "http://domain\username:password@servername:port/"
then running this npm config get proxy returns this:
http://domain/username:password@servername:port/
Therefore to fix the problem I instead URL encoded the backslash, so entered this:
npm config set proxy "http://domain%5C...
PHP and Enumerations
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echoConstant can be replaced with __toString. And then simply echo $c
– Justinas
Apr 28 at 9:56
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How to uninstall a Windows Service when there is no executable for it left on the system?
...m failures.
To delete a service:
Click “start“ - “run“, and then enter “cmd“ to open Microsoft Command Console.
Enter command:
sc servername delete servicename
For instance, sc \\dc delete myservice
(Note: In this example, dc is my Domain Controller Server name, which ...
Can we delete an SMS in Android before it reaches the inbox?
...d:priority attribute on your SMS-listening <intent-filter>, you will then receive the notification before the native SMS application.
At this point, you can cancel the broadcast, preventing it from being propagated to other apps.
Update (October 2013): When Android 4.4 arrives, it will mak...
DynamoDB vs MongoDB NoSQL [closed]
...ongo maybe, if the data structure is complicated enough to warrant it, but then we'd probably go back to a SQL database. Dynamo is obtuse, you really need to think about how you're going to build it, and likely you'll use Redis in Elasticcache to make it work for complex stuff. But it sure is nice t...
How do you automatically resize columns in a DataGridView control AND allow the user to resize the c
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What happens here is that you set autosize to whathever mode you need and then column by column you store the width it got from autosize calculation, remove autosizing and set width to value you stored before.
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How to delete multiple buffers in Vim?
... can use <C-a> to complete all matches. So if you type :bd *.xml and then hit <C-a>, vim will complete the command to :bd file1.xml file2.xml file3.xml.
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Timing a command's execution in PowerShell
...ure-Command {<<your command or code block>>} . Try it out and then type $t at the prompt to see your results and all the properties you have access to, like $t.Milliseconds, $t.TotalSeconds, etc. Then we can write to whatever output we want, for instance, Write-Host That command took $...