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The property 'value' does not exist on value of type 'HTMLElement'
I am playing around with typescript and am trying to create a script that will update a p-element as text is inputted in a input box.
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How to return an empty ActiveRecord relation?
If I have a scope with a lambda and it takes an argument, depending on the value of the argument, I might know that there will not be any matches, but I still want to return a relation, not an empty array:
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Volatile vs. Interlocked vs. lock
...he point of volatile is that multiple threads running on multiple CPUs can and will cache data and re-order instructions.
If it is not volatile, and CPU A increments a value, then CPU B may not actually see that incremented value until some time later, which may cause problems.
If it is volatile, th...
JavaScript: Class.method vs. Class.prototype.method
...ill be available to all the object instances created with the new keyword, and the context within that function (the this keyword) will refer to the actual object instance where you call it.
Consider this example:
// constructor function
function MyClass () {
var privateVariable; // private memb...
Can I checkout github wikis like a git repository?
I want to modify and view github wikis with local editor like Emacs, and Google Code wikis can be checked out just like code. Is there any way to checkout github wikis? Or is there any other git repository provider offers such feature?
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Is there StartsWith or Contains in t sql with variables?
...Note that internally these work differently, especially w.r.t. performance and its use of indexes. For example, a query using colName LIKE 'prefix%' will be very fast when colName is indexed, but colName LIKE '%substring%' or colName LIKE '%suffix' will be slow because SQL Server does not create su...
Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
...ines of text such that there's about 2-3 pixels of space between the image and the start of text. The control itself is Center aligned horizontally (set through Interface Builder)
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Turning Sonar off for certain code
...uppressFBWarnings (added to avoid clashes with java.lang.SuppressWarnings) and also ignores it.
– Marcel Stör
Jul 17 '13 at 6:39
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Execute code when Django starts ONCE only?
...ou want to execute code in the top-level urls.py. That module is imported and executed once.
urls.py
from django.confs.urls.defaults import *
from my_app import one_time_startup
urlpatterns = ...
one_time_startup()
sha...
Updating a local repository with changes from a GitHub repository
I've got a project checked locally from GitHub, and that remote repository has since had changes made to it. What's the correct command to update my local copy with the latest changes?
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