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How do I run a shell script without using “sh” or “bash” commands?
... directory, etc. Really terrible bugs could result otherwise, as variables from one script execution, if done via sourcing, could affect another script execution.
– Daniel Waltrip
Jun 20 '17 at 19:18
...
Colors in JavaScript console
...da55');
The same can be applied for adding multiple CSS to same command.
References
MDN: Styling console output
Chrome: Console API Reference
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An invalid form control with name='' is not focusable
...ngs that we don't want to validate.
$(["input:hidden, textarea:hidden, select:hidden"]).attr("disabled", true);
// If HTML5 Validation is available let it run. Otherwise prevent default.
if (this.el.checkValidity && !this.el.checkValidity()) {
// Re-enable things that we...
Difference between Hive internal tables and external tables?
...it. what happens? what do you mean by the data is not touched? if i give a select * of that table will it display? i am not able to picture the difference.
– DrewRose
Jun 11 '13 at 7:38
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How to copy from current position to the end of line in vi
...opy/paste between different instances, you can use the system clipboard by selecting the * register, so the commands become "*y$ for copying and "*p for pasting.
$ move-to-linebreak
$
y$ yank-to-linebreak
y,$
"*y$ select clipboard-register yank-to-linebreak
",*,y,$
"*p select clipboard-regist...
MySQL COUNT DISTINCT
...
Select
Count(Distinct user_id) As countUsers
, Count(site_id) As countVisits
, site_id As site
From cp_visits
Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
Group By site_id
...
How can I convert NSDictionary to NSData and vice versa?
...
Not to take anything away from this answer, but just a heads that it isn't ARC compliant
– Madbreaks
Feb 18 '14 at 19:45
10
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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
I understand the differences between the two from the docs.
6 Answers
6
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Why can't Python find shared objects that are in directories in sys.path?
...rl.so module is in the system library path, which is distinct and separate from the python library path.
A "quick fix" is to add this path to a LD_LIBRARY_PATH variable. However, setting that system wide (or even account wide) is a BAD IDEA, as it is possible to set it in such a way that some progr...
MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...并且外观设计是直板的手机，需按照如下方式查询：
SELECT * FROM `mobile_params` WHERE name = '待机时间' AND value > 100;
SELECT * FROM `mobile_params` WHERE name = '外观设计' AND value = '直板';
注：参数表为了方便，把数值和字符串统一保存成字...