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M_PI works with math.h but not with cmath in Visual Studio
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As suggested by user7860670, right-click on the project, select properties, navigate to C/C++ -> Preprocessor and add _USE_MATH_DEFINES to the Preprocessor Definitions.
That's what worked for me.
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Why is “origin/HEAD” shown when running “git branch -r”?
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@robinst is correct.
In git, you can select which branch is checked out by default (i.e. when you clone). By default, origin/HEAD will point at that.
On GitHub, You can change this in the Admin settings for your GitHub repo. You can also do it from the command-...
How to pass prepareForSegue: an object
...ntifier:sender: method to activate the transition to a new view based on a selection or button press.
For instance, consider I had two view controllers. The first contains three buttons and the second needs to know which of those buttons has been pressed before the transition. You could wire t...
Epoch vs Iteration when training neural networks
...ining instances into subsets (i.e., batches), performing one pass over the selected subset (i.e., batch), and then optimizing the network through backpropagation. The number o
How to find a deleted file in the project commit history?
...c 'full/path/to/MyFile.js' did not match any file(s) known to git.`
Just select the preceding (append a caret) commit:
> git checkout bd8374c^ -- full/path/to/MyFile.js
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Installing older version of R package
...ot2/
In R Studio:
Tools >> Install packages >> Install from: (select drop down)
Package Archive File(.zip, .tar.gz).
Choose your newly-downloaded-package-zip-file and install the package
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Debugging in Clojure? [closed]
...here's also dotrace, which allows you to look at the inputs and outputs of selected functions.
(use 'clojure.contrib.trace)
(defn fib[n] (if (< n 2) n (+ (fib (- n 1)) (fib (- n 2)))))
(dotrace [fib] (fib 3))
produces the output:
TRACE t4425: (fib 3)
TRACE t4426: | (fib 2)
TRACE t4427: | ...
Using SQL Server 2008 and SQL Server 2005 and date time
...pen your EDMX in a file editor (or “open with…” in Visual Studio and select XML Editor). At the top you will find the storage model and it has an attribute ProviderManifestToken. This has should have the value 2008. Change that to 2005, recompile and everything works.
NOTE: You'll have to do ...
git: How to ignore all present untracked files?
...le; No. -c marks the beginning of a list of column numbers to cut. And 4- selects the line from column 4 to the end, which cuts columns 1-3. So your cut command actually removes the first 3 characters of each line. If you removed 4 characters from a git status line such as the one for this file he...
What is the difference between varchar and varchar2 in Oracle?
...R2. It is NOT a SYNONYM which is an actual object type in Oracle.
SQL> select substr(banner,1,80) from v$version where rownum=1;
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
SQL> create table test (my_char varchar(20));
Table created.
SQL> desc test
Na...