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In plain English, what does “git reset” do?
... though. In particular, if you take the time to carefully read them, those tables detailing states of files in index and work tree for all the various options and cases are very very helpful. (But yes, they're very dense - they're conveying an awful lot of the above information in a very concise for...
Polymorphism in C++
...types.
"to" parametric types from values of constant type
They do not establish polymorphic contexts by themselves, but do help empower/simplify code inside such contexts.
You may feel cheated... it doesn't seem like much. The significance is that in parametric polymorphic contexts (i.e. inside...
What are some (concrete) use-cases for metaclasses?
... About the ORM case, are you talking about the class-based way of defining tables, or the metaclasses on mapped objects. Because SQLAlchemy can (rightly) map to any class (and I am assuming that it doesn't use a metaclass for that activity).
– Ali Afshar
Dec 24...
Is “double hashing” a password less secure than just hashing it once?
...broken with a pre-computed dictionary attack (for example, using a Rainbow Table). Otherwise, the attacker must spend time to compute a hash for each password and see if it matches the stored hash.
All passwords are not equally likely. Attackers might exhaustively search all short passwords, but th...
How to avoid reverse engineering of an APK file?
...aller, predefined, values that add up to $200. For example, have a file or table on your server that equates words with values. So let's say that Charlie corresponds to $47, and John to $3. So instead of sending $200, you can send Charlie four times and John four times. On the server, interpret what...
AI2 Keep Awake
...eping your Android application running when the device wants to sleep . Table of contents Download Test results WakeLock WifiLock Battery optimization Foreground service Usage Request WakeLock Multiple WakeLocks Notification / Notification Channels NotificationChannel Notification N...
分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...本任意时刻都能读到新值。比如：文件系统，RDBMS，Azure Table都是强一致性的。
从这三种一致型的模型上来说，我们可以看到，Weak和Eventually一般来说是异步冗余的，而Strong一般来说是同步冗余的，异步的通常意味着更好的性能...
What is the purpose of Flask's context stacks?
...alues in a script that should be run from the shell. For example, a "setup_tables.py" script...
from myapp import app, db
# Set up models
db.create_all()
In this case, the Flask-SQLAlchemy extension knows about the app application, but during create_all() it will throw an error complaining about...
Regular expression to match non-ASCII characters?
...he knows what he's talking about.)
The way he implemented it is by adding tables of characters with certain properties. Then, when you contruct a regex with his library, \p{charclass} gets replaced with [allthecharactersintheclass].
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Efficiently replace all accented characters in a string?
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What I'm trying to do is make the sorting of the jQuery tablesorter plugin work correctly for table data in German. The plugin can take an user-defined function to extract the string to sort on, which is what I have to do or the resulting sort order will be wrong.
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