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Parsing JSON using Json.net
... writing to console):
var tuples = JObject.Parse(myJsonString)["objects"].Select(item => item.ToTuple()).ToList();
tuples.ForEach(t => Console.WriteLine("{0}: ({1},{2})", t.Item1, t.Item2, t.Item3));
share
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Is SHA-1 secure for password storage?
...") under the assumption that many user passwords will be in that specially selected space.
Hence salting will at least prevent the attacker from using pre-computed tables, in particular pre-computed rainbow tables. This assumes that the attacker will be able to break one password or two; we do not ...
Is a `=default` move constructor equivalent to a member-wise move constructor?
... remains in the overload set, and the program is ill-formed if it would be selected. When it is implicitly deleted, it is removed from the overload set. See Deleted implicitly-declared move constructor
– Caleth
Oct 3 '18 at 11:18
...
How do I get Windows to go as fast as Linux for compiling C++?
...ss to Windows source code, it is rarely taken advantage of). Look at this selection of Unix-related performance papers: http://www.eecs.harvard.edu/margo/papers/ or look up the history of papers by Osterhaus, Henry Spencer, or others. Heck, one of the biggest (and most enjoyable to watch) debates i...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...t more portable, but also increases the risk that the wrong interpreter is selected because it searches for a match in every directory on the executable search path. It also suffers from the same problem in that the path to the env binary may also be different on a per-machine basis."-Wikipedia
...
MongoDB Many-to-Many Association
...ey use their own N1QL. This is an example of a JOIN from their tutorials:
SELECT usr.personal_details, orders
FROM users_with_orders usr
USE KEYS "Elinor_33313792"
JOIN orders_with_users orders
ON KEYS ARRAY s.order_id FOR s IN usr.shipped...
public friend swap member function
...call:
using std::swap; // allow use of std::swap...
swap(x, y); // ...but select overloads, first
// that is, if swap(x, y) finds a better match, via ADL, it
// will use that instead; otherwise it falls back to std::swap
What is a friend function? There is confusion around this area.
Before C++...
Filter rows which contain a certain string
... @MySchizoBuddy: If the column name contains white space, you can select the variable using backticks. Modifying the example above: mtcars$`my type` <- rownames(mtcars) and then mtcars %>% filter(grepl('Toyota|Mazda', `my type`))
– alex23lemm
Ju...
What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...ow demonstrate the noticeable artifacting of lossy compression algorithms; select the thumbnail image to view the full size version.
Each format is different as described below:
JPEG
JPEG (Joint Photographic Experts Group) files are (in most cases) a lossy format; the DOS filename extension is JPG...
Transitioning from Windows Forms to WPF
...ult when you drop a control, to a more WPF-ish style by right-clicking and selecting 'Reset Layout'
This video covers similar ground.
I still prefer the VS2010 designer on balance - VS2013 seems to be a bit buggy when dragging and dropping onto TabItems **, (which my current project uses a lot) - ...