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How to detect if a stored procedure already exists
I have to write a deployment script which will work if a stored procedure exists or does not exist. i.e. if it exists, then I need to alter it, otherwise create it.
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How do I format a string using a dictionary in python-3.x?
...nk that it creates an object because print(**geopoint) fails giving syntax error
– Nityesh Agarwal
Apr 8 '17 at 18:35
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Remove empty strings from a list of strings
I want to remove all empty strings from a list of strings in python.
12 Answers
12
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psql: FATAL: role “postgres” does not exist
...s using homebrew, see the comment from @user3402754 below.
Note that the error message does NOT talk about a missing database, it talks about a missing role. Later in the login process it might also stumble over the missing database.
But the first step is to check the missing role: What is the ou...
代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...e服务器，能通过，但是编译过程报错：
RequestTooLargeError 可能指的是事务任务列表的大小以及数据存储实体的大小，
不能超过 1 MB。您要添加的任务加上数据的总大小是多少？https://community.appinventor.mi ... g-ai2-locally/61743accept...
Titlecasing a string with exceptions
Is there a standard way in Python to titlecase a string (i.e. words start with uppercase characters, all remaining cased characters have lowercase) but leaving articles like and , in , and of lowercased?
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Converting Secret Key into a String and Vice Versa
...: "Most people aren't using Java 8 yet". Your answer will throw exception errors for the vast majority of Java users, Android and non-Android alike. That said, your suggestion of adding a snippet in addition to the current answer would provide a more complete solution. FYI, I'm not "sentimental" ...
Command to escape a string in bash
...blems with ~. There are also portable sed one-liners stackoverflow.com/a/20053121/1073695
– Jo So
Oct 22 '15 at 1:49
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C/C++ check if one bit is set in, i.e. int variable
... a std::bitset if it's C++. Simple. Straight-forward. No chance for stupid errors.
typedef std::bitset<sizeof(int)> IntBits;
bool is_set = IntBits(value).test(position);
or how about this silliness
template<unsigned int Exp>
struct pow_2 {
static const unsigned int value = 2 * po...
Can I have onScrollListener for a ScrollView?
I am using a HorizontalScrollView in a layout and I need to identify the user have reached the start and end point of the scroll.
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