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Explaining Python's '__enter__' and '__exit__'
...t;> except:
>>> raise
#will result (client side) :
2018-12-18 14:44:05,863 : INFO --> Initiating My connection
2018-12-18 14:44:05,863 : INFO --> connection success
b'connected'
2018-12-18 14:44:05,864 : INFO --> CM suppress exception
#result...
Authenticate with GitHub using a token
...ttings.
Then...
$ password=`openssl rand -hex 32`
$ cat my_key | openssl aes-256-cbc -k "$password" -a > my_key.enc
$ travis encrypt --add password=$password -r my-github-user/my-repo
Then use the $password file to decrypt your deploy key at integration-time, by adding to your yaml file:
be...
How to install and run phpize
...lled on your machine, mine is 7.2
PHP 7.2.3-1ubuntu1 (cli) (built: Mar 14 2018 22:03:58) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies
with Zend OPcache v7.2.3-1ubuntu1, Copyright (c) 1999-2018, by Zend Technologies
Step 2: Then to...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...结，特此写在这里，方便给同样刚入门的朋友指引。
一.下载安装
1.到http://curl.haxx.se/download.html上下载最新版本，由于公司的机器安装rpm有依赖关系，所以直接下载了source
2.编译。解压后进入curl的目录，直接执行 make all ...
Can I query MongoDB ObjectId by date?
...$and":[
{"$gte":[{"$convert":{"input":"$_id","to":"date"}}, ISODate("2018-07-03T00:00:00.000Z")]},
{"$lte":[{"$convert":{"input":"$_id","to":"date"}}, ISODate("2018-07-03T11:59:59.999Z")]}
]
}
})
OR
You can use shorthand $toDate to achieve the same.
db.collectionname.find({
"...
Find objects between two dates MongoDB
...te and $lt:
db.CollectionName.find({"whenCreated": {
'$gte': ISODate("2018-03-06T13:10:40.294Z"),
'$lt': ISODate("2018-05-06T13:10:40.294Z")
}});
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互联网运营人员必备的12款工具 - 资讯 - 清泛网 - 专注C/C++及内核技术
...，你分享的图片一旦被采纳，会获得共享分，如果被别人下载，你还可以获得共享分，你可以用共享分去下载别人的图片。共享分越多，可以下载的图片就越多。
8. 微信内容排版工具
秀米
现在微信公众号越来越多，获取用...
Best way to test exceptions with Assert to ensure they will be thrown
...xception should have been thrown");
}
catch (ArgumentNullException ae)
{
Assert.AreEqual( "Parameter cannot be null or empty.", ae.Message );
}
catch (Exception e)
{
Assert.Fail(
string.Format( "Unexpected exception of type {0} caught: {1}",
...
Run a callback only if an attribute has changed in Rails
...anged ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveReco...
How to convert a private key to an RSA private key?
... -in $FF -out $TF
openssl rsa -aes256 -in $FF -out $TF
openssl pkcs8 -topk8 -nocrypt -in $FF -out $TF
openssl pkcs8 -topk8 -v2 aes-256-cbc -v2prf hmacWithSHA256 -in $FF -out $TF
and
op...