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How to get name of exception that was caught in Python?
...nswered Aug 11 '13 at 21:06
user1234user1234
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Base64Util 拓展：支持图像框、画布、文件、文本字符串、图像精灵base64编...
...块
版权信息
原作者：Kevinkun
原始网址：https://wangsk789.github.io/base64util/
开源致谢：基于 @TIMAI2 的开源代码
您的改进建议 联系方式： 不需要回复的可留空~ ...
Python's “in” set operator
...ions like issubset():
>>> k
{'ip': '123.123.123.123', 'pw': 'test1234', 'port': 1234, 'debug': True}
>>> set('ip,port,pw'.split(',')).issubset(set(k.keys()))
True
>>> set('ip,port,pw'.split(',')) in set(k.keys())
False
...
Check if a string matches a regex in Bash script
... strings, which IMHO it shouldn't. Suppose badvar is not defined, then [[ "1234" =~ "$badvar" ]]; echo $? gives (incorrectly) 0, while expr match "1234" "$badvar" >/dev/null ; echo $? gives correct result 1.
We have to use >/dev/null to hide expr match's output value, which is the number of c...
Create new user in MySQL and give it full access to one database
...
To me this worked.
CREATE USER 'spowner'@'localhost' IDENTIFIED BY '1234';
GRANT ALL PRIVILEGES ON test.* To 'spowner'@'localhost';
FLUSH PRIVILEGES;
where
spowner : user name
1234 : password of spowner
test : database 'spowner' has access right to
...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...value;
END;
$$ LANGUAGE plpgsql;
Testing:
=# select convert_to_integer('1234');
convert_to_integer
--------------------
1234
(1 row)
=# select convert_to_integer('');
NOTICE: Invalid integer value: "". Returning NULL.
convert_to_integer
--------------------
(1 row)
=# sele...
Convert JS Object to form data
... which is like this:
{
"orderPrice":"11",
"cardNumber":"************1234",
"id":"8796191359018",
"accountHolderName":"Raj Pawan",
"expiryMonth":"02",
"expiryYear":"2019",
"issueNumber":null,
"billingAddress":{
"city":"Wonderland",
"code":"8796682911767",
"f...
How to find a min/max with Ruby
...ages, you could write:
def max(*values)
values.max
end
Output:
max(7, 1234, 9, -78, 156)
=> 1234
This abuses the properties of the splat operator to create an array object containing all the arguments provided, or an empty array object if no arguments were provided. In the latter case, the...
How do you concatenate Lists in C#?
...tring> FirstList = new List<string>();
FirstList.Add("1234");
FirstList.Add("4567");
// In my code, I know I would not have this here but I put it in as a demonstration that it will not be in the secondList twice
FirstList.Add("Three");
...
Round to at most 2 decimal places (only if necessary)
...oundToTwo(10)
10
roundToTwo(1.7777777)
1.78
roundToTwo(9.1)
9.1
roundToTwo(1234.5678)
1234.57
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