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Python: most idiomatic way to convert None to empty string?
...int here.
– dorvak
Sep 10 '15 at 11:20
3
@dorvak The OP is quite explicit about the requirement t...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...一定要是innodb引擎的。CREATE TABLE `weibo_qq0`( `weiboid` bigint(20)) ENGINE=InnoDB DEFAULT CHARSET=utf8;
c、关闭mysql， service mysqld stop；
d、用需要恢复的frm文件覆盖刚新建的frm文件；
e、修改my.ini 里 innodb_force_recovery=1 ， 如果不成修改为 2,3,4,5,...
SQLite UPSERT / UPDATE OR INSERT
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This is a late answer. Starting from SQLIte 3.24.0, released on June 4, 2018, there is finally a support for UPSERT clause following PostgreSQL syntax.
INSERT INTO players (user_name, age)
VALUES('steven', 32)
ON CONFLICT(user_name)
DO UPDATE SET age=excluded.age;
Note: For those ha...
Download the Android SDK components for offline install
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after adt-20 release google has updated repository. I have updated new way 2 do it.
– Ankit
Aug 5 '12 at 18:16
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How do I get the value of text input field using JavaScript?
...rward answer !!
– Arun
Jul 26 at 14:20
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How to list variables declared in script in bash?
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edited Aug 20 '09 at 11:10
answered Aug 20 '09 at 10:35
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Is [CallerMemberName] slow compared to alternatives when implementing INotifyPropertyChanged?
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202
No, the use of [CallerMemberName] is not slower than the upper basic implementation.
This is ...
Comparing Dates in Oracle SQL
...ing to get it to display the number of employees that are hired after June 20, 1994,
But I get an error saying "JUN' invalid identifier. Please help, thanks!
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JSONDecodeError: Expecting value: line 1 column 1 (char 0)
...like 404 and try to parse the response as JSON !
You must first check for 200 (OK) or let it raise on error to avoid this case.
I wish it failed with a less cryptic error message.
NOTE: as Martijn Pieters stated in the comments servers can respond with JSON in case of errors (it depends on the imp...
What ports does RabbitMQ use?
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sudo nmap -p 1-65535 localhost
Starting Nmap 5.51 ( http://nmap.org ) at 2014-09-19 13:50 EDT
Nmap scan report for localhost (127.0.0.1)
Host is up (0.00041s latency).
PORT STATE SERVICE
443/tcp open https
5672/tcp open amqp
15672/tcp open unknown
35102/tcp open ...