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Verify version of rabbitmq
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If rabbitimq can not start I found the only way to determine version is via installer system.
Eample Debian/Ubuntu:
dpkg -s rabbitmq-server | grep Version
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TypeError: unhashable type: 'dict'
...d/or lists, you need to recursively "freeze" the prospective key. Here's a starting point:
def freeze(d):
if isinstance(d, dict):
return frozenset((key, freeze(value)) for key, value in d.items())
elif isinstance(d, list):
return tuple(freeze(value) for value in d)
retur...
Android Left to Right slide animation
...ty's onCreate call overridePendingTransition with desired direction. And onStart call overridePendingTransition with other direction if activity is resumed. Here I am giving full running code below.Correct me if I am wrong.
create this xml file on your anim folder
anim_slide_in_left.xml
<?xml...
How can I see the SQL generated by Sequelize.js?
...bug module, by setting your environment, thus:
DEBUG=sequelize:sql*
before starting your app.
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AssertContains on strings in jUnit
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Use the new assertThat syntax together with Hamcrest.
It is available starting with JUnit 4.4.
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项目管理实践【六】自动同步数据库【Using Visual Studio with Source Cont...
...数据库文件和数据库日志文件放到某个目录下，这里放到StartKitDB目录下，然后在该目录下新建一个名为StartKitDB的文本文件，修改扩展名为proj，实际上，在理论上任何扩展名都可以，然后，使用记事本或其他程序打开文件，将下...
Position absolute but relative to parent
...er the page load, use javascript - clientX and clientY are a good place to start
– Abraham Brookes
Mar 21 '16 at 12:00
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Code Golf: Lasers
...ement vector to b (m=b), mark this character as a wall (*p=1), and set the starting point to the current location (q=p). This macro includes the "else" portion.
*q,G[999],*p=G;
w;
Declare some variables.
* q is the light's current location.
* G is the game board as a 1D array.
* p is the curr...
What is a lambda expression in C++11?
... return d < 0.00001 ? 0 : d; }
);
}
however when you start to write more complex lambdas you will quickly encounter cases where the return type cannot be deduced by the compiler, e.g.:
void func4(std::vector<double>& v) {
std::transform(v.begin(), v.end(), v.begi...
Make error: missing separator
...directive isn't itself a syntax error. But it is just not interpreted as a start of a comment, so doing that is admittedly error-prone.)
– ynn
Nov 5 '19 at 10:48
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