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How to use underscore.js as a template engine?
...ome values HTML escaped
That's all about it.
Simple example:
var tpl = _.template("<h1>Some text: <%= foo %></h1>");
then tpl({foo: "blahblah"}) would be rendered to the string <h1>Some text: blahblah</h1>
...
What is the documents directory (NSDocumentDirectory)?
...lowing tech note: https://developer.apple.com/library/ios/technotes/tn2406/_index.html
The Apple sanctioned way (from the link above) is as follows:
// Returns the URL to the application's Documents directory.
- (NSURL *)applicationDocumentsDirectory
{
return [[[NSFileManager defaultManager] U...
How to list branches that contain a given commit?
...gt; via email rather than pushing or pulling commits directly.
__*__*__*__*__> <upstream>
/
fork-point
\__+__+__-__+__+__-__+__> <head>
(Here, the commits marked '-' wouldn't show up with git cherry, meaning they are already present in <upstream&...
Flatten nested dictionaries, compressing keys
...ng the dictionary at final step.
import collections
def flatten(d, parent_key='', sep='_'):
items = []
for k, v in d.items():
new_key = parent_key + sep + k if parent_key else k
if isinstance(v, collections.MutableMapping):
items.extend(flatten(v, new_key, sep=s...
What is the canonical way to check for errors using the CUDA runtime API?
...on and wrapper macro like this:
#define gpuErrchk(ans) { gpuAssert((ans), __FILE__, __LINE__); }
inline void gpuAssert(cudaError_t code, const char *file, int line, bool abort=true)
{
if (code != cudaSuccess)
{
fprintf(stderr,"GPUassert: %s %s %d\n", cudaGetErrorString(code), file, lin...
MySQL DROP all tables, ignoring foreign keys
... your database like this:
SELECT concat('DROP TABLE IF EXISTS `', table_name, '`;')
FROM information_schema.tables
WHERE table_schema = 'MyDatabaseName';
Note 1: This does not execute the DROP statements, it just gives you a list of them. You will need to cut and paste the output into your SQL...
multi-step registration process issues in asp.net mvc (split viewmodels, single model)
... send on each request.
This model binder will be registered in Application_Start:
ModelBinders.Binders.Add(typeof(IStepViewModel), new StepViewModelBinder());
The last missing bit of the puzzle are the views. Here's the main ~/Views/Wizard/Index.cshtml view:
@using Microsoft.Web.Mvc
@model Wiza...
Passing a 2D array to a C++ function
...
Fixed Size
1. Pass by reference
template <size_t rows, size_t cols>
void process_2d_array_template(int (&array)[rows][cols])
{
std::cout << __func__ << std::endl;
for (size_t i = 0; i < rows; ++i)
{
std::cout << i << ...
How do I pass extra arguments to a Python decorator?
... it needs to return another function which is the actual decorator:
def my_decorator(param):
def actual_decorator(func):
print("Decorating function {}, with parameter {}".format(func.__name__, param))
return function_wrapper(func) # assume we defined a wrapper somewhere
ret...
In Python, how do I read the exif data for an image?
...
You can use the _getexif() protected method of a PIL Image.
import PIL.Image
img = PIL.Image.open('img.jpg')
exif_data = img._getexif()
This should give you a dictionary indexed by EXIF numeric tags. If you want the dictionary indexed by t...