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SHA1 vs md5 vs SHA256: which to use for a PHP login?
... prevent people that already have or somehow gained access to the database from just reading out loud the password. If it is someone unauthorized to on the database then you have bigger issues to worry about that's why Sony got took because they thought an encrypted password protected everything in...
Is it possible to set async:false to $.getJSON call
...onous XMLHttpRequest outside of workers is in the process of being removed from the web platform as it has detrimental effects to the end user's experience. (This is a long process that takes many years.) Developers must not pass false for the async argument when entry settings object's global objec...
Change default app.config at runtime
... solution based on reflection (not very nice though)
Create class derived from IInternalConfigSystem
public class ConfigeSystem: IInternalConfigSystem
{
public NameValueCollection Settings = new NameValueCollection();
#region Implementation of IInternalConfigSystem
public object GetSe...
How to Find And Replace Text In A File With C#
...
You're going to have a hard time writing to the same file you're reading from. One quick way is to simply do this:
File.WriteAllText("test.txt", File.ReadAllText("test.txt").Replace("some text","some other text"));
You can lay that out better with
string str = File.ReadAllText("test.txt");
str...
How do I update/upsert a document in Mongoose?
...
From the docs: "... when using the findAndModify helpers, the following are not applied: defaults, setters, validators, middleware" mongoosejs.com/docs/api.html#model_Model.findOneAndUpdate
– kellen
...
Python - List of unique dictionaries
... @John La Rooy - how could one use the same to remove dictionarys from a list based on multiple attributes , tried this but seems not to work > {v['flight']['lon']['lat']: v for v in stream}.values()
– Jorge Vidinha
Sep 13 '15 at 10:04
...
Which is faster : if (bool) or if(int)?
...partial-register penalties for reading %dil. (But that doesn't stop clang from amusingly creating a partial-register stall by using byte-size and on AL as part of branchlessly case-flipping between 99 and -99.)
– Peter Cordes
May 4 '18 at 1:30
...
Array versus linked-list
... may not even be
possible if memory is fragmented.
Similarly, an array from which many
elements are removed may become
wastefully empty or need to be made
smaller.
On the other hand, arrays allow random
access, while linked lists allow only
sequential access to elements.
Singly-...
What's the difference between dynamic (C# 4) and var?
...l that happened was that the compiler figured out that s must be a string (from the initializer). In both cases, it knows (in the IL) that s.Length means the (instance) string.Length property.
dynamic is a very different beast; it is most similar to object, but with dynamic dispatch:
dynamic s = "...
How to import existing *.sql files in PostgreSQL 8.4?
...
From the command line:
psql -f 1.sql
psql -f 2.sql
From the psql prompt:
\i 1.sql
\i 2.sql
Note that you may need to import the files in a specific order (for example: data definition before data manipulation). If you'...