大约有 45,000 项符合查询结果（耗时：0.0275秒） [XML]
How to suppress Pandas Future warning ?
... find the line of code which is causing the warning. Since warnings unlike errors don't come with code traceback. In order to trace warnings like errors, you can write this at the top of the code:
import warnings
warnings.filterwarnings("error")
But if the codebase is bigger and it is importing b...
convert_tz returns null
...
You can use the force flag to override any errors you run into as well: mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root --force -p mysql
– scum
Mar 22 '14 at 14:04
...
Finding out whether a string is numeric or not
...)validateString:(NSString *)string withPattern:(NSString *)pattern
{
NSError *error = nil;
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:pattern options:NSRegularExpressionCaseInsensitive error:&error];
NSAssert(regex, @"Unable to create regular expr...
MySQL: Insert record if not exists in table
...-----+
And so on...
Update:
To prevent #1060 - Duplicate column name error in case two values may equal, you must name the columns of the inner SELECT:
INSERT INTO table_listnames (name, address, tele)
SELECT * FROM (SELECT 'Unknown' AS name, 'Unknown' AS address, '022' AS tele) AS tmp
WHERE ...
WAMP error: Forbidden You don't have permission to access /phpmyadmin/ on this server
I am new to WAMP and I have just installed it today.
33 Answers
33
...
AngularJS check if form is valid in controller
...<input name="input" ng-model="userType" required>
<span class="error" ng-show="myForm.input.$error.required">Required!</span><br>
<tt>userType = {{userType}}</tt><br>
<tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br>
&l...
Meaning of epsilon argument of assertEquals for double values
...epsilon would be 0 (100% accuracy, no exceptions). If you want a margin of error (say for degrees) you could set epsilon to 1 meaning that, for example, 64.2° is the same as 64.8° (since abs(64.8-64.2) < 1)
– Pieter De Bie
Sep 25 '15 at 8:14
...
How to test if list element exists?
...R! One might want more complex things (like testing if $mylist[[12]]$out$mcerror is defined) which would currently be complicated as hell.
– TMS
Sep 11 '14 at 9:51
...
Convert Go map to json
...
If you had caught the error, you would have seen this:
jsonString, err := json.Marshal(datas)
fmt.Println(err)
// [] json: unsupported type: map[int]main.Foo
The thing is you cannot use integers as keys in JSON; it is forbidden. Instead, you c...
How do I install Maven with Yum?
...o be replaced with epel-6, or else yum install apache-maven will fail with error 404.
– O. R. Mapper
Oct 6 '14 at 8:39
...