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Why do some claim that Java's implementation of generics is bad?
...ut the downsides of that are huge, and permanent. There's a big short term win, and a long term loss IMO.
– Jon Skeet
Feb 7 '09 at 16:32
11
...
Surrogate vs. natural/business keys [closed]
...JECT'
and k.task_code = 'BUILD';
Unless anyone seriously thinks the following is a good idea?:
select sum(t.hours)
from timesheets t
where t.dept_id = 34394
and t.status_id = 89
and t.project_id = 1253
and t.task_id = 77;
"But" someone will say, "what happens when the code for MYPROJECT or ...
private final static attribute vs private final attribute
... reason to have an inline declaration initializing the value like the following, as each instance will have its own NUMBER but always with the same value (is immutable and initialized with a literal). This is the same than to have only one final static variable for all instances.
private final int ...
【最全】CSS响应式布局的5种实现方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...}
</style>
3、在实际开发时，@media 会结合删格系统一起来使用，实现真正意义上的响应式开发。
栅格布局+断点设定 实现响应式
@media screen and (min-width: 576px) {
.col-sm-1 {
grid-area: auto/auto/auto/span 1;
}
.col-sm-2 {
grid-area: ...
How do I get an animated gif to work in WPF?
...; Install-Package WpfAnimatedGif
and to use it, at a new namespace to the Window where you want to add the gif image and use it as below
<Window x:Class="MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
...
Proper way to handle multiple forms on one page in Django
...then if the first form has any validation errors, the second automatically wins and the first form is reset, although we still need to display the errors from the first form. Just thought you should know
– Enduriel
May 3 '13 at 16:12
...
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
... myself to use spaces too, but editor (at least Eclipse + PyDev) wise tabs wins especially if you enable show invisible characters. And I can easily set tabs to be 4, 8, 6 spaces visually. So in my code at least I value personal preference, and stick to spaces if that is the established convention i...
Python strptime() and timezones?
..., minute, second). Nothing else. No mention of timezones.
Interestingly, [Win XP SP2, Python 2.6, 2.7] passing your example to time.strptime doesn't work but if you strip off the " %Z" and the " EST" it does work. Also using "UTC" or "GMT" instead of "EST" works. "PST" and "MEZ" don't work. Puzzlin...
How to manage local vs production settings in Django?
...ttings that Harper Shelby posted. Obviously depending on the environment (win/linux/etc.) the code might need to be tweaked a bit.
I was in the past using the "if DEBUG" but I found that occasionally I needed to do testing with DEUBG set to False. What I really wanted to distinguish if the enviro...
What does the slash mean in help() output?
...aracter.
Then his proposal won.
Heh. If that's true, my '/' proposal wins:
def foo(pos_only, /, pos_or_kw, *, kw_only): ...
I think the very relevant document covering this is PEP 570.
Where recap section looks nice.
Recap
The use case will determine which parameters to use in ...