大约有 4,000 项符合查询结果（耗时：0.0154秒） [XML]
Calculating moving average
...comment from @Ricardo Cruz:
cx <- c(0, cumsum(ifelse(is.na(x), 0, x)))
cn <- c(0, cumsum(ifelse(is.na(x), 0, 1)))
rx <- cx[(n+1):length(cx)] - cx[1:(length(cx) - n)]
rn <- cn[(n+1):length(cx)] - cn[1:(length(cx) - n)]
rsum <- rx / rn
This still has the issue that if all the values ...
Similar to jQuery .closest() but traversing descendants?
Is there a function similar to jQuery .closest() but for traversing descendants and returning only closest ones?
16 Ans...
AI2 Media Notification
... source and manually in the broadcastReceivers section in the generated .aix file. With these changes it is no longer necessary to have two different versions of the extension for App Inventor and Kodular. Adaptation of existing Kodular projects : Internal names are identical. T...
Break a previous commit into multiple commits
...was farther back in the tree than you want to count, then
$ git rebase -i 123abcd~
where 123abcd is the SHA1 of the commit you want to split up.
If you are on a different branch (e.g., a feature branch) that you plan to merge into master:
$ git rebase -i master
When you get the rebase edit sc...
App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
...果
« 返回首页
DynamicComponents 拓展
.aix 拓展下载（最新版 v2.3.0）：
com.yusufcihan.DynamicComponents.aix
完全支持 App Inventor 2 的动态组件扩展。它基于 Java 的反射功能，因此只需键入类名称即可搜索类来创建组件。...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
...on Tru64 UNIX (formerly DEC OSF1)
__sgi Defined on Irix
_AIX Defined on AIX
_WIN32 Defined on Windows
share
|
improve this answer
|
...
keytool error :java.io.IoException:Incorrect AVA format
...PatrickTaylor -validity 10000
-keystore C:\drops\patrickkeystore
-dname "cn=Patrick Taylor, ou=engineering, o=company, c=US"
share
|
improve this answer
|
follow
...
Strangest language feature
...
Fun with auto boxing and the integer cache in Java:
Integer foo = 1000;
Integer bar = 1000;
foo <= bar; // true
foo >= bar; // true
foo == bar; // false
//However, if the values of foo and bar are between 127 and -12...
CSS to stop text wrapping under image
... to use a <p> element as a parent for your <span>.
<li id="CN2787">
<img class="fav_star" src="images/fav.png">
<p>
<span>Text, text and more text</span>
</p>
</li>
Since <p> is a block element, you can set its width using CSS...
How can I remove a character from a string using Javascript?
...g = mystring.replace(/\/r/g, '/');
EDIT:
Since everyone's having so much fun here and user1293504 doesn't seem to be coming back any time soon to answer clarifying questions, here's a method to remove the Nth character from a string:
String.prototype.removeCharAt = function (i) {
var tmp = th...