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What's the best way to determine the location of the current PowerShell script?
...t to the current file's/module's directory
$PSScriptRoot
PowerShell 2
Prior to PowerShell 3, there was not a better way than querying the
MyInvocation.MyCommand.Definition property for general scripts. I had the following line at the top of essentially every PowerShell script I had:
$scriptPath ...
Does reading an entire file leave the file handle open?
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The answer to that question depends somewhat on the particular Python implementation.
To understand what this is all about, pay particular attention to the actual file object. In your code, that object is mentioned only once, in an expression, a...
Markdown to create pages and table of contents?
...or the other library, who can generate TOCs: see Python Markdown TOC Extension.
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p vs puts in Ruby
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Kinda feel like this leaves me with a rabbit hole of questions. Whats inspect? Whats to_s? Why do I want to inspect printed text instead of a variable? Which is more standard for the world of programming, due to your mention of debugging, p or puts? Should all "p" be replaced with "...
Use PHP to create, edit and delete crontab jobs?
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crontab [-u user] [ -e | -l | -r ]
(default operation is replace, per 1003.2)
-e (edit user's crontab)
-l (list user's crontab)
-r (delete user's crontab)
-i (prompt before deleting user's crontab)
So,
$output = shell_ex...
What does the -ObjC linker flag do?
...inker flag. However, without the linker flag, I get a very different behaviour when adding data to a view.
1 Answer
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Add context path to Spring Boot application
I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it.
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Should I use s and s inside my s?
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the nav element and the list provide different semantical information:
The nav element communicates that we're dealing with a major navigation block
The list communicates that the links inside this navigation block form a list of items
At http://w3c.github.io/html/sections.html#the-nav...
How to check a not-defined variable in JavaScript
...lared and is not undefined:
if (yourvar !== undefined) // Any scope
Previously, it was necessary to use the typeof operator to check for undefined safely, because it was possible to reassign undefined just like a variable. The old way looked like this:
if (typeof yourvar !== 'undefined') // Any ...
Logging Clientside JavaScript Errors on Server [closed]
...l the server what went wrong, however since it's not part of any specification, support is somewhat flaky.
Here's an example from Using XMLHttpRequest to log JavaScript errors:
window.onerror = function(msg, url, line)
{
var req = new XMLHttpRequest();
var params = "msg=" + encodeURIComponent(...