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How to empty (“truncate”) a file on linux that already exists and is protected in someway?
I have a file called error.log on my server that I need to frequently truncate. I have rw permissions for the file. Opening the file in vi > deleting all content > saving works (obviously). But when I try the below
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How best to determine if an argument is not sent to the JavaScript function
... be desired.
To summarize: Only use it if you know what you're doing!
In my opinion, using || is also the way to go if there's more than one optional argument and one doesn't want to pass an object literal as a workaround for named parameters.
Another nice way to provide default values using argu...
Does Dart support enumerations?
...uilt with attributes that can not be const). That's why I didn't use it in my answer (although I sometimes use const enum in my code).
– Alexandre Ardhuin
Dec 16 '12 at 14:14
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Add table row in jQuery
...t you're looking for - what if you had a tbody for example:
<table id="myTable">
<tbody>
<tr>...</tr>
<tr>...</tr>
</tbody>
</table>
You would end up with the following:
<table id="myTable">
<tbody>
<tr>...</t...
Removing the remembered login and password list in SQL Server Management Studio
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In my scenario I only wanted to remove a specific username/password from the list which had many other saved connections I didn't want to forget. It turns out the SqlStudio.bin file others are discussing here is a .NET binary se...
Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider
...d ngRoute as a dependency for your application:
var app = angular.module('MyApp', ['ngRoute', ...]);
If instead you are planning on using angular-ui-router or the like then just remove the $routeProvider dependency from your module .config() and substitute it with the relevant provider of choice...
How to temporarily exit Vim and go back
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What if I want to continue running my server while editing my file. For example, let's say I do nodemon app.js (nodemon refreshes the server on file edits for you) and then I want to return to my vim editing. Can I do that without two separate terminal windows...
How do I install Eclipse Marketplace in Eclipse Classic?
...nt to "All Available Sites", the Helios update repository wasn't there, so my searching turned up no results. Adding the Helios Repository then going to General Purpose Tools revealed it.
– Thomas Owens
Mar 12 '11 at 22:09
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How to merge every two lines into one from the command line?
...e final newline, his sed solution skips the final line in its entirty, and my solution repeats the last line. paste, on the other hand, behaves perfectly. +1.
– ghoti
Mar 11 '14 at 13:42
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Removing nan values from an array
I want to figure out how to remove nan values from my array. My array looks something like this:
11 Answers
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