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How do you print out a stack trace to the console/log in Cocoa?
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Apparently available in iOS 4 but not 3.2. Here's what I used, shamelessly copied from the backtrace man page: #include <execinfo.h> ... void* callstack[128]; int i, frames = backtrace(callstack, 128); char** strs = backtrace_symbols(callstack, frames);...
LINQ order by null column where order is ascending and nulls should be last
...ice)
.Select(p => p);
This is emphatically not what you want. This sorts by Product.LowestPrice.HasValue in descending order and then re-sorts the entire collection by Product.LowestPrice in descending order.
What you want is
var products = _context.Products
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How to set environment variables in Jenkins?
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@theFunkyEngineer what version of EnvInject are you using? With 1.91.3, a command like yours is interpreted as "cat=app...". Would be great if this feature was supported, but I'm getting the sense that this may have worked for you by accident...
How to list containers in Docker
... @ftravers docker ps only shows information about containers. What you want is information about images. You can see all local images using the docker images command.
– Lappro
Nov 5 '19 at 9:36
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Apache: client denied by server configuration
...on syntax has been deprecated and replaced by a new system using Require.
What you want then is something like the following:
<Directory "/labs/Projects/Nebula/">
Options All
AllowOverride All
<RequireAny>
Require local
Require ip 192.168.1
</RequireAny>
</Dire...
How do I repeat an edit on multiple lines in Vim?
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Thanks. What if i wanted the equivalent of a shift-i? That is, skipping over the initial whitespace?
– saffsd
Dec 10 '08 at 12:49
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Injecting a mock into an AngularJS service
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What if your mock needs $q? Then you can't inject $q into the mock prior to calling module() in order to register the mock. Any thoughts?
– Jake
May 7 '15 at 15:15
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...precision (~23 bits of accuracy, if I remember properly), and is still somewhat faster than sqrtss.
edit: If speed is critical, and you're really calling this in a loop for many values, you should be using the vectorized versions of these instructions, rsqrtps or sqrtps, both of which process four ...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
What is a good algorithm to determine the "difficulty" of a word for a hangman game, so that the game can select words to match a specified difficulty level?
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Why and not taking font-family and font-size from body?
... other styles like you did in that last example.
In case you're wondering what other styles are defined, check out the CSS files in your resources. You can access them via the url above, or by looking in your res folder in the firefox directory (eg: c:\program files\mozilla firefox\res). These are ...