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Instance v state variables in react.js
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In addition to what @ssorallen said, you should also remember to handle the component unmounting before your handleLeave is called.
React.createClass({
handleEnter: function () {
// Open a new one after a delay
this._timeout = setTime...
微博为什么限制140字(附短信70字限制考) - 创意 - 清泛网 - 专注C/C++及内核技术
...更新状态的字数限制，本身是160字母的限制，再留20字给id长度，剩余140字母留给用户发挥。
此外，YAHOO!的meme（2,000字）和Google的Buzz（没有限制）等对字数都没有短而精的要求，在这个层面上，算不上微博，只能算轻量级博客...
MySql : Grant read only options?
..."all read" then yes:
GRANT SELECT ON *.* TO 'username'@'host_or_wildcard' IDENTIFIED BY 'password';
However, it sounds like you mean an ability to "see" everything, to "look but not touch." So, here are the other kinds of reading that come to mind:
"Reading" the definition of views is the SHOW ...
XSLT getting last element
...estion after 7 years. It really shows how flawed and defective XSLT is. Avoid XSLT as a plague :D
– Nik
Jan 29 '16 at 23:02
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How to define a reply-to address?
... Silly boy, I've looked everywhere but the mail method definition: apidock.com/rails/ActionMailer/Base/mail Thank you!
– emzero
May 5 '11 at 17:51
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How can I selectively escape percent (%) in Python strings?
...ercent sign, then you probably have to detect the percent character and decide programmatically whether it is the start of a placeholder or not. Then the parser should also recognize sequences like %d (and other letters that can be used), but also %(xxx)s etc.
Similar problem can be observed with ...
How to convert Milliseconds to “X mins, x seconds” in Java?
...es(millis))
);
If TimeUnit or toMinutes are unsupported (such as on Android before API version 9), use the following equations:
int seconds = (int) (milliseconds / 1000) % 60 ;
int minutes = (int) ((milliseconds / (1000*60)) % 60);
int hours = (int) ((milliseconds / (1000*60*60)) % 24);
//etc.....
Getting the SQL from a Django QuerySet [duplicate]
...l.objects.all()
>>> print(queryset.query)
SELECT "myapp_mymodel"."id", ... FROM "myapp_mymodel"
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java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
...bug report for that specific situation (bugs.eclipse.org/bugs/show_bug.cgi?id=365748). Eclipse developers are in need of more informations about it and ways to reproduce the problem.
– Chucky
Sep 19 '12 at 10:01
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How connect Postgres to localhost server using pgAdmin on Ubuntu?
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@OndřejDoněk my proposal was sudo /bin/bash first, did you do that?
– Str.
Nov 29 '14 at 9:20
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