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lenses, fclabels, data-accessor - which library for structure access and mutation is better
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There are at least 4 libraries that I am aware of providing lenses.
The notion of a lens is that it provides something isomorphic to
data Lens a b = Lens (a -> b) (b -> a -> a)
providing two functions: a getter, and a setter
get (Lens g _) = g
put (Lens _ s) = s
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performing HTTP requests with cURL (using PROXY)
...n I run this command: curl -x, --proxy 122.72.2.200:80 mysite.com/test.php?id=1
– user873286
Feb 27 '12 at 22:52
63
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常用Git命令汇总 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...变）
git reset <file> #从暂存区恢复到工作区（不指定版本id，则默认为最后一次提交的版本id）
git reset . #从暂存区恢复到工作区
git reset $id # 恢复到指定的提交版本，该$id之后的版本提交都恢复到工作区
git reset --hard $id #恢复...
What are some common uses for Python decorators? [closed]
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Great example! No idea what it does though. An explanation what you are doing there, and how the decorator solves the problem would be very nice.
– MeLight
Jun 15 '14 at 16:00
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How to submit a form using PhantomJS
... this is a great template. Here are a couple of things I added: inside setInterval use var func = steps[testindex], then console.log("step " + (testindex + 1) + ": " + funcName(func)). This allows you to add description to the steps being performed.
– Jonno
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How to iterate over array of objects in Handlebars?
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You can pass this to each block. See here: http://jsfiddle.net/yR7TZ/1/
{{#each this}}
<div class="row"></div>
{{/each}}
share
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After submitting a POST form open a new window showing the result
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Remember to add the attribute id to the form element, otherwise this doesn't work in Safari browser even though the popup blocker is turned off. <form id="popupForm" target="_blank" ...></form>
– Naren
Ju...
Javascript Object push() function
...ects, so use the right data structure.
var data = [];
// ...
data[0] = { "ID": "1", "Status": "Valid" };
data[1] = { "ID": "2", "Status": "Invalid" };
// ...
var tempData = [];
for ( var index=0; index<data.length; index++ ) {
if ( data[index].Status == "Valid" ) {
tempData.push( dat...
Easy idiomatic way to define Ordering for a simple case class
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My personal favorite method is to make use of the provided implicit ordering for Tuples, as it is clear, concise, and correct:
case class A(tag: String, load: Int) extends Ordered[A] {
// Required as of Scala 2.11 for reasons unknown - the companion to Ordered
// should alr...
Best way to implement keyboard shortcuts in a Windows Forms application?
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You probably forgot to set the form's KeyPreview property to True. Overriding the ProcessCmdKey() method is the generic solution:
protected override bool ProcessCmdKey(ref Message msg, Keys keyData) {
if (keyData == (Keys.Control | Keys.F)) {
MessageBox.Show("What the Ctrl+F?");
return...