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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
...Getting close.
Now, what if this anonymous UDT were to derive from some base?
struct bar {}; // base UDT
struct : bar {} foo; // anonymous derived UDT, and instance thereof
Finally, C++11 introduces extended initialisers, such that we can do confusing things like this:
int x{0};
And...
Logging errors in ASP.NET MVC
...ns. The way I'm doing this is by having all my controllers inherit from a BaseController class. In the BaseController's OnActionExecuting event, I log any exceptions that may have occurred:
...
Append TimeStamp to a File Name
...combine it with DateTime.Now, for a method that outputs the correct string based on the date and time.
using System;
using System.IO;
class Program
{
static void Main()
{
//
// Write file containing the date with BIN extension
//
string n = string.Format("te...
How do I clone a GitHub wiki?
...
Yes. You can set them to have read access based on whether they're a collaborator, but push permissions require them to be a collaborator. github.com/blog/774-git-powered-wikis-improved
– joseph.hainline
Nov 12 '13 at 20:27
...
Plot logarithmic axes with matplotlib in python
...ing for how to use an axis for powers of two: pylab.gca().set_xscale('log',basex=2)
– zje
Apr 12 '12 at 20:16
55
...
What is a patch in git version control?
... robots.thoughtbot.com/…. My basic example summary: git format-patch <base_commit_or_branch_name> = wrap up all commits from now back to <base_commit_or_branch_name> into nice and neat files containing the diff as well as the commit messages, for easy sending (ex: via email) to someone...
Get list of all routes defined in the Flask app
I have a complex Flask-based web app. There are lots of separate files with view functions. Their URLs are defined with the @app.route('/...') decorator. Is there a way to get a list of all the routes that have been declared throughout my app? Perhaps there is some method I can call on the ap...
How do sessions work in Express.js with Node.js?
... (like connect-redis).
Details
Express.js/Connect creates a 24-character Base64 string using utils.uid(24) and stores it in req.sessionID. This string is then used as the value in a cookie.
Client Side
Signed cookies are always used for sessions, so the cookie value will have the following forma...
Android: I am unable to have ViewPager WRAP_CONTENT
...@param measureSpec A measureSpec packed into an int
* @param view the base view with already measured height
*
* @return The height of the view, honoring constraints from measureSpec
*/
private int measureHeight(int measureSpec, View view) {
int result = 0;
in...
Normalize data in pandas
...basically say you have values [-5,1,10] in a sample, but want to normalize based on a range of -7 to 7 (so anything above 7, our "10" is treated as a 7 effectively) with a midpoint of 2, but shrink it to fit a 256 RGB colormap:
#In[1]
NormData([-5,2,10],low=-7,center=1,hi=7,shrinkfactor=2./256)
#Ou...