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How do I find out my python path using python?
...try:
user_paths = os.environ['PYTHONPATH'].split(os.pathsep)
except KeyError:
user_paths = []
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Insert auto increment primary key to existing table
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For those like myself getting a Multiple primary key defined error try:
ALTER TABLE `myTable` ADD COLUMN `id` INT AUTO_INCREMENT UNIQUE FIRST NOT NULL;
On MySQL v5.5.31 this set the id column as the primary key for me and populated each row with an incrementing value.
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void in C# generics?
...ere the return of "null" is used as a special marker, e.g. as some kind of error marker)
– Eske Rahn
Jun 26 '18 at 7:37
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Calling method using JavaScript prototype
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answered Sep 4 '13 at 15:05
phollypholly
62877 silver badges1515 bronze badges
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How to crop circular area from bitmap in Android
...hods.
– Matt Logan
Jan 24 '14 at 23:05
1
Should not you use minimum of height and width divided b...
Load local JSON file into variable
...able in javascript, but I can't get it to work. It's probably just a minor error but I can't find it.
6 Answers
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Getting the last element of a list
...list
[1, 3, 5]
Note that getting a list item by index will raise an IndexError if the expected item doesn't exist. This means that some_list[-1] will raise an exception if some_list is empty, because an empty list can't have a last element.
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REST API - why use PUT DELETE POST GET?
...ou to use it as you see fit. I'd suggest taking advantage of all of HTTP's error codes and request methods, but you're allowed to do it however you want
– zzzzBov
Jan 1 '11 at 16:15
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记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
记一次MongoDB性能问题最近忙着把一个项目从MySQL迁移到MongoDB，在导入旧数据的过程中，遇到了些许波折，犯了不少错误，但同时也学到了不少知识，遂记录下来。公...最近忙着把一个项目从MySQL迁移到MongoDB，在导入旧数据的过...
Checking if an instance's class implements an interface?
...ectSupposedToBeImplementing) {
//.....
}
It will throw an recoverable error if the $objectSupposedToBeImplementing does not implement YourInterface Interface.
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