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When to use window.opener / window.parent / window.top
...ner refers to the window that called window.open( ... ) to open the window from which it's called
window.parent refers to the parent of a window in a <frame> or <iframe>
window.top refers to the top-most window from a window nested in one or more layers of <iframe> sub-windows
Th...
Cleaning `Inf` values from an R dataframe
... The "trick" was in realizing the is.na<- would not accept a result from lapply but would accept one from sapply.
– IRTFM
Aug 30 '12 at 1:30
...
Why Response.Redirect causes System.Threading.ThreadAbortException?
...l, false);
Context.ApplicationInstance.CompleteRequest();
This blog post from Thomas Marquardt provides additional details, including how to handle the special case of redirecting inside an Application_Error handler.
share...
The Role Manager feature has not been enabled
...
You can do this by reading from the boolean property at:
System.Web.Security.Roles.Enabled
This is a direct read from the enabled attribute of the roleManager element in the web.config:
<configuration>
<system.web>
<roleManager...
Gets byte array from a ByteBuffer in java
Is this the recommended way to get the bytes from the ByteBuffer
6 Answers
6
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Auto start node.js server on boot
...alling a node express app as a service, and it's running (I get the output from the console.log calls in the *.out.log file), but when I try to get a response from the server via my web browser, I just get a 404 back.
– sanderd17
Oct 21 '16 at 10:53
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Search and replace a line in a file in Python
...es the content to a new file and replaces the old file with the new file:
from tempfile import mkstemp
from shutil import move, copymode
from os import fdopen, remove
def replace(file_path, pattern, subst):
#Create temp file
fh, abs_path = mkstemp()
with fdopen(fh,'w') as new_file:
...
Ruby: Calling class method from instance
In Ruby, how do you call a class method from one of that class's instances? Say I have
9 Answers
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Hour from DateTime? in 24 hours format
... This was the preferred solution for me because I just needed the int from the hour of the day. Much easier then converting to a string just to parse back into a DateTime again.
– Sev
Nov 17 '16 at 22:22
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Difference between __getattr__ vs __getattribute__
...u can end up in infinite recursions very easily.
New-style classes derive from object, old-style classes are those in Python 2.x with no explicit base class. But the distinction between old-style and new-style classes is not the important one when choosing between __getattr__ and __getattribute__....