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How to use greater than operator with date?
...ecords. What I did is to include time, see below example
SELECT * FROM my_table where start_date > '2011-01-01 01:01:01';
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Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...置函数
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4. awk的环境变量
Table 1. awk的环境变量
变量
描述
$n
当前记录的第n个字段，字段间由FS分隔。
$0
完整的输入记录。
ARGC
命令行参数的数目。
...
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]
...th | UIViewAutoresizingFlexibleHeight;
It works great out of the box for table views, however, if your app used pixel-perfect layout for displaying content, then your best bet would be to re-imagine the content so that it can accommodate varying heights.
If that's not a possibility, then the only...
Legality of COW std::string implementation in C++11
...very string operation, even const ones, or the complexity of a lock-free mutable reference-counted structure, and after all that you only get sharing if you never modify or access your strings, so many, many strings will have a reference-count of one. Please do provide code, feel free to ignore noex...
Is it better to return null or empty collection?
...omponent (from a library out of your control), might be rendering an empty table if an empty collection is passed, or no table at all, if null is passed.
in a Object-to-XML (JSON/whatever), where null would mean the element is missing, while an empty collection would render a redundant (and possibly...
What resources are shared between threads?
...
yes - i'm wondering whether it is acceptable to access memory in other stacks between threads? As long as you are sure you're not trying to reference a stack that has been deallocated I'm not sure I see a problem with it?
– bph
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Correct way to load a Nib for a UIView subclass
...it's a little cleaner. "firstObject" is a handy method for NSArray and NSMutableArray.
Here's a typical example, of loading a xib to use as a table header. In your file YourClass.m
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
return [[NSBundle main...
What does the construct x = x || y mean?
...se {
return false;
}
}
If you still don't understand, look at this table:
| true false
------+---------------
true | true true
false | true false
In other words, it's only false when both values are false.
How is it different in JavaScript?
JavaScript is a bit differ...
How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause
... i call department.remove(emp); that employee will be deleted from the emp table without even calling commit()
– JavaTechnical
Jun 10 '14 at 12:00
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Which Architecture patterns are used on Android? [closed]
... the controller is supposed to be the main entry point. Which is a bit debatable if this is the case when applying it to Android development, since the activity is the natural entry point of most applications.
Because of this, I personally find that the model–view–presenter pattern is a perfect...