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How to create ENUM type in SQLite?
...eType(Type, Seq) VALUES ('M',1), ('R',2), ('H',3); Should get you a syntax error. "The first form (with the "VALUES" keyword) creates a single new row in an existing table.": sqlite.org/lang_insert.html. Break it up avoid that: INSERT INTO PriceType(Type, Seq) VALUES ('M',1); INSERT INTO PriceType(T...
How to limit UITableView row reordering to a section
... keyword? As, if I were using override keyword, I will be getting compiler error.
– Cheok Yan Cheng
Sep 17 at 11:07
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How does IPython's magic %paste work?
...IPython. Everytime I try the indentation is screwed up and I get following error message:
6 Answers
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How to output messages to the Eclipse console when developing for Android
...em. There are also other methods depending on the severity of the message (error, verbose, warning, etc..).
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bash assign default value
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Not just shorter, but less error-prone: VERY_LONG_VARIABLE_NAME=${VERY_LOGN_VARIABLE_NAME:-hello}. Oops.
– chepner
Aug 17 '14 at 13:40
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What is the use of a private static variable in Java?
...yourAge) {
//here if the age variable is not static you will get an error that you cannot access non static variables from static procedures so you have to make it static and private to not be accessed from other classes
age = yourAge;
}
}
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An “and” operator for an “if” statement in Bash
...ith your script.
Personal opinion: never use [[. It suppresses important error messages and is not portable to different shells.
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What are the dark corners of Vim your mom never told you about? [closed]
...e write permissions on. When I come to save that file and get a permission error, I just issue that vim command in order to save the file without the need to save it to a temp file and then copy it back again.
You obviously have to be on a system with sudo installed and have sudo rights.
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How to generate a random alpha-numeric string?
...identifiers is about 2‑52, which is probably less likely than undetected errors from cosmic rays, etc.
Comparison with UUIDs
According to their specification, UUIDs are not designed to be unpredictable, and should not be used as session identifiers.
UUIDs in their standard format take a lot of ...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...(100);
(void) sprintf(p1,
"The f1 error occurred because of '%s'.",
explanation);
local_log(p1);
}
您看到问题了吗？除非 local_log() 对 free() 释放的内存具有不寻常的响应能力，否则每次...