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Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...PT_RIJNDAEL_128, MCRYPT_MODE_CBC),
MCRYPT_DEV_URANDOM
);
$encrypted = base64_encode(
$iv .
mcrypt_encrypt(
MCRYPT_RIJNDAEL_128,
hash('sha256', $key, true),
$string,
MCRYPT_MODE_CBC,
$iv
)
);
To Decrypt:
$data = base64_decode($encrypted);
$i...
The JPA hashCode() / equals() dilemma
...eptively hard to implement correctly when
objects are persisted to a database. However, the problems stem
entirely from allowing objects to exist without an id before they are
saved. We can solve these problems by taking the responsibility of
assigning object IDs away from object-relational ...
App Inventor 2 数学代码块 · App Inventor 2 中文网
...2、12 和 2.12），以及带前缀的其他机制数字，包括：
Base-2（二进制）数字，例如 0b10（等于十进制 2）
Base-8（八进制）数字，例如 0o14（等于十进制 12）
Base-16（十六进制）数字，例如 0xd4（等于十进制 212）
进制数字块 ( ...
Any way to modify Jasmine spies based on arguments?
...mock this external API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using andCallFake:
...
Multi flavor app based on multi flavor library in Android Gradle
...he library will be selected accordingly and all build and run will be done based on the selected flavor.
If you have multiple app module based on the library Android Studio will complain about Variant selection conflict, It's ok, just ignore it.
...
Navigation in django
...
I use template inheritance to customize navigation. For example:
base.html
<html>
<head>...</head>
<body>
...
{% block nav %}
<ul id="nav">
<li>{% block nav-home %}<a href="{% url home %}">Home</a>...
C++11 reverse range-based for-loop
...ction of iterators so I can iterate over a container in reverse with range-based for-loop?
8 Answers
...
JavaScript: What are .extend and .prototype used for?
...
Javascript's inheritance is prototype based, so you extend the prototypes of objects such as Date, Math, and even your own custom ones.
Date.prototype.lol = function() {
alert('hi');
};
( new Date ).lol() // alert message
In the snippet above, I define a met...
Hibernate: Automatically creating/updating the db tables based on entity classes
...ated -->
<property name="javax.persistence.schema-generation.database.action" value="drop-and-create" />
</properties>
used Wildfly's in-memory H2 database
share
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improve this ...
How do you do natural logs (e.g. “ln()”) with numpy in Python?
...
np.log is ln, whereas np.log10 is your standard base 10 log.
Relevant documentation:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log10.html
...