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How to get Core Data object from specific Object ID?
...nagedObjectContext. If anyone knows what this method is useful for, please comment.)
[eta.: Another important difference between the first method and the other two is that existingObjectWithID:error: never returns a fault; it always fetches the whole object for you. If you're trying to avoid that (...
Redis is single-threaded, then how does it do concurrent I/O?
...ts by executing several flows corresponding to those clients with only one computation unit. In this context, parallelism would mean the server is able to perform several things at the same time (with multiple computation units), which is different.
For instance a bartender is able to look after se...
Best way to convert IList or IEnumerable to Array
... @Shimmy: Yes there is... aside from anything else, it's telling the compiler what kind of array to expect! If you only want an object[] just use Cast<object>. The nongeneric IEnumerable doesn't have a ToArray extension method, so you can't just call foo.ToArray<object> or anything...
Exclude a sub-directory using find
...
This works:
find /home/feeds/data -type f -not -path "*def/incoming*" -not -path "*456/incoming*"
Explanation:
find /home/feeds/data: start finding recursively from specified path
-type f: find files only
-not -path "*def/incoming*": don't include anything with def/incoming as part...
Bootstrap 3 - Why is row class is wider than its container?
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Making a request to a RESTful API using python
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Using requests:
import requests
url = 'http://ES_search_demo.com/document/record/_search?pretty=true'
data = '''{
"query": {
"bool": {
"must": [
{
"text": {
"record.document": "SOME_JOURNAL"
}
},
{
"text": {
...
Should I use Python 32bit or Python 64bit
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Folder structure for a Node.js project
...ort are deprecated since NPM introduced a clean package management. It's recommended to handle all 3rd-party dependencies using NPM and a package.json file
When building a rather large application, I recommend the following additional folders (especially if you are using some kind of MVC- / ORM-Fra...
Google Chrome Extensions - Can't load local images with CSS
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Since this is the accepted answer, you should see comment on the other answer where ariera mentioned about including web_accessible_resources in your manifest file to access local fonts and images.
– Aryan Firouzian
Feb 26 '17 at 16:44...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...ry.
To quote Gary Tarolli:
Which actually is doing a floating
point computation in integer - it took
a long time to figure out how and why
this works, and I can't remember the
details anymore.
A slightly better constant, developed by an expert mathematician (Chris Lomont) trying to wo...