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Determine if an object property is ko.observable
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Thank you. Do you by chance know how to tell if an observable is computed? I can determine if an observable is an observable array via $.isArray(vm[key]()), but do you know how to differentiate observables from a ko.computed??
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Temporarily disable auto_now / auto_now_add
...tion. I needed to "force" an expired timestamp. In my case I did the trick by using a queryset update. Like this:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.ob...
Are Duplicate HTTP Response Headers acceptable?
...each subsequent field-value to the first, each
separated by a comma. The order in which header fields with the same
field-name are received is therefore significant to the interpretation
of the combined field value, and thus a proxy MUST NOT change the
order of these field values when a mess...
Cannot open include file 'afxres.h' in VC2010 Express
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Had the same problem . Fixed it by installing Microsoft Foundation Classes for C++.
Start
Change or remove program (type)
Microsoft Visual Studio
Modify
Select 'Microsoft Foundation Classes for C++'
Update
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Does JavaScript have “Short-circuit” evaluation?
...'s not exactly how the code is evaluated and we'll need to delve deeper in order to fully understand.
How exactly is the && and || interpreted?:
It's time to look "under the hood of the javascript engine". Let's consider this practical example:
function sanitise(x) {
if (isNaN(x)...
Advantages of stateless programming?
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|> is just another higher-order infix function, in this case a function-application operator. Defining your own higher-order, infix operators is definitely a part of functional programming (unless you're a Schemer). Haskell has its $ which is the sa...
Modifying location.hash without page scrolling
...reated and placed at the current location of the scroll. It's the same visually as position:fixed/top:0. Thus the scrollbar is "moved" to the exact same spot it currently is on.
– Borgar
Sep 29 '09 at 0:44
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What is the best way to repeatedly execute a function every x seconds?
... script every minute using a cron, but without requiring that to be set up by the user.
18 Answers
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Embed git commit hash in a .Net dll
...view the version from windows explorer:
You can also get it programmatically via:
var build = ((AssemblyInformationalVersionAttribute)Assembly
.GetAssembly(typeof(YOURTYPE))
.GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false)[0])
.InformationalVersion;
where YOURTY...
How using try catch for exception handling is best practice
...se (a library bug throwing an unrelated exception that you need to mute in order to workaround the whole bug).
For the rest of the cases:
Try to avoid exceptions.
If this isn't possible: first-chance exception handlers.
Or use a PostSharp aspect (AOP).
Answering to @thewhiteambit on some commen...