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What is the most efficient way to store tags in a database?
...
Actually I believe de-normalising the tags table might be a better way forward, depending on scale.
This way, the tags table simply has tagid, itemid, tagname.
You'll get duplicate tagnames, but it makes adding/removing/editing...
Can an interface extend multiple interfaces in Java?
...in of the diamond problem?) __Tried it and the sensible thing happens: not allowed if the return type is different.
– Daniel
Jan 6 '15 at 17:38
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远程临场机器人 你会买单吗？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...竖着一根可调节的长杆作为平板设备的支撑，用户通过 App即可进行远程视频通话——是的，这确切地说更像一个iPad的智能配件。
那么这和一般的视频通话有什么不同？
孔尧举了个例子：“你控制的明机器人行走在丽江，你没...
What's the difference between including files with JSP include directive, JSP include action and usi
...ribute to the current page at translation time. The directive was
originally intended for static layout templates, like HTML headers.
2) The <jsp:include> standard action:
<jsp:include page="header.jsp" />
Dynamic: adds the content from the value of the page attribute to...
How to declare a variable in a PostgreSQL query
...WITH () query which can work as a variable, or even tuple of variables. It allows you to return a table of temporary values.
WITH master_user AS (
SELECT
login,
registration_date
FROM users
WHERE ...
)
SELECT *
FROM users
WHERE master_login = (SELECT login
...
How can I extract embedded fonts from a PDF as valid font files?
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You have several options. All these methods work on Linux as well as on Windows or Mac OS X. However, be aware that most PDFs do not include to full, complete fontface when they have a font embedded. Mostly they include just the subset of glyphs used ...
What's the difference between SoftReference and WeakReference in Java?
... strong enough to
force an object to remain in memory.
Weak references allow you to leverage
the garbage collector's ability to
determine reachability for you, so you
don't have to do it yourself. You
create a weak reference like this:
WeakReference weakWidget = new WeakReference(widget...
How to fight tons of unresolved variables warning in Webstorm?
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All other answers are incorrect for the general case. What if you don't get data as a parameter? You don't have JSDoc then:
function niceApiCall(parameters) {
const result = await ... // HTTP call to the API here
for (c...
扒皮美女创业者：15分钟拿下薛蛮子 7家风投追捧 - 资讯 - 清泛网 - 专注C/C...
...游的两个公众号平均阅读数100以内，微博粉丝十个以内，APP从去年8月份到现在还是1.0版本的。
就这样的一个创业公司，还有7家风投机构等在门外抢着投资，谁打钱快就让谁进，醉了。
Vivian号称，“到今年年底，肯定实现单月...
How to initialize static variables
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I love PHP, but it's really odd sometimes.
– Marco Demaio
Nov 10 '11 at 21:46
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