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scanf() leaves the new line char in the buffer
...haracters. The character formats (primarily %c; also scan sets %[…] — and %n) are the exception; they don't skip whitespace.
Use " %c" with a leading blank to skip optional white space. Do not use a trailing blank in a scanf() format string.
Note that this still doesn't consume any trailing ...
How to get child element by class name?
...
Use doc.childNodes to iterate through each span, and then filter the one whose className equals 4:
var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = ...
MongoDB, remove object from array
... yup, my syntax was wrong. Thanks! Also tried without the upset and multi options and that worked as well.
– lostintranslation
Mar 26 '13 at 20:25
12
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Which library should I use for server-side image manipulation on Node.JS? [closed]
...libraries on Node.JS wiki but I'm not sure which of those are more mature and provide better performance. Basically I want to do the following:
...
Test if a string contains any of the strings from an array
...ensitive would be to call toLowerCase() or toUpperCase() on both the input and test strings.
If you need to do anything more complicated than this, I would recommend looking at the Pattern and Matcher classes and learning how to do some regular expressions. Once you understand those, you can use tho...
Run a single migration file
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Sometimes you need a './' in front of the require path, and it definitely doesn't update the schema_migrations.
– Beardo
Aug 26 '11 at 15:26
14
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Is it possible to refresh a single UITableViewCell in a UITableView?
...UITableViewRowAnimationNone];
[self.tableView endUpdates];
In Xcode 4.6 and higher:
[self.tableView beginUpdates];
[self.tableView reloadRowsAtIndexPaths:@[indexPathOfYourCell] withRowAnimation:UITableViewRowAnimationNone];
[self.tableView endUpdates];
You can set whatever your like as animat...
What is a “bundle” in an Android application
What is a bundle in an Android application? When to use it?
12 Answers
12
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手机串口调试助手：USB OTG 收发文本与十六进制、定时发送（附 .aia 源码）...
...指令
when 开关_定时.Changed() {
if 开关_定时.On and isnumber(文本输入框_间隔.Text) and 文本输入框_间隔.Text >= 50 {
计时器_定时.TimerInterval = 文本输入框_间隔.Text
计时器_定时.TimerEnabled = true
} else {
开关_定时.On = fals...
On a CSS hover event, can I change another div's styling? [duplicate]
...e adjacent sibling combinator (+).
If there are other elements between #a and #b, you can use this: http://jsfiddle.net/u7tYE/1/
#a:hover ~ #b {
background: #ccc
}
<div id="a">Div A</div>
<div>random other elements</div>
<div>random other elements</div>
<...