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Compare JavaScript Array of Objects to Get Min / Max
...ength;i++) {
val = cmp(val, arr[i][attr])
}
return val;
}
alert(finder(Math.max, myArray, "Cost"));
alert(finder(Math.min, myArray, "Cost"));
or if you had a deeply nested structure, you could get a little more functional and do the following:
var myArray =
[
{"ID": 1, "Cost...
Get first and last date of current month with JavaScript or jQuery [duplicate]
...
I fixed it with Datejs
This is alerting the first day:
var fd = Date.today().clearTime().moveToFirstDayOfMonth();
var firstday = fd.toString("MM/dd/yyyy");
alert(firstday);
This is for the last day:
var ld = Date.today().clearTime().moveToLastDayOfMo...
Floating View 扩展:悬浮视图扩展,将组件转换为悬浮窗口 · App Inventor 2 中文网
...:通过 LayoutParams 设置窗口属性
权限系统:需要 SYSTEM_ALERT_WINDOW 权限
边距设置
重叠视图的边距列表格式:
索引 0:左边距
索引 1:上边距
索引 2:右边距
索引 3:下边距
动画效果
...
Tracking CPU and Memory usage per process
...e data for your inspection later. To do this, select "Performance Logs and Alerts" in the left-hand panel. (It's right under the System Monitor console which provides us with the above mentioned counters. If it is not there, click "File" > "Add/remove snap-in", click Add and select "Performance L...
What is the difference between String.slice and String.substring?
.... Too large values are truncated to the length of the string:
alert ( "testme" .substring (-2)); // "testme", -2 becomes 0
Furthermore, if start > end, the arguments are interchanged, i.e. plot line returns between the start and end:
alert ( "testme" .substring (4, -1)); // "test"
...
Early exit from function?
...
@dbme: Functions in JavaScript always return. The return statement is implicit if it hasn't been provided. The default return value is undefined, and that's what my primary solution provides. The article you referenced is talking about doing return ...
Dynamically load JS inside JS [duplicate]
...to import an external JS file (under an IF condition) inside another javascript file.
13 Answers
...
What does if __name__ == “__main__”: do?
...relates to your question about the __name__ checks we always see in Python scripts.
Code Sample
Let's use a slightly different code sample to explore how imports and scripts work. Suppose the following is in a file called foo.py.
# Suppose this is foo.py.
print("before import")
import math
print(...
Add CSS or JavaScript files to layout head from views or partial views
...("~/Content/Site.css")" rel="stylesheet" type="text/css" />
<script src="@Url.Content("~/Scripts/jquery-1.6.2.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/modernizr-2.0.6-development-only.js")" type="text/javascript"></script...
How can I find out the current route in Rails?
...lt;/li>
<li role="presentation" class="<%= current_controller?('alerts') ? 'active' : '' %>">
<%= link_to alerts_path do %>
<i class="fa fa-bell-o"></i>
<% end %>
</li>
</ul>
For the users and alerts routes, current_page? would b...
