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In log4j, does checking isDebugEnabled before logging improve performance?
...ensive computation of the log message when it involves invocation of the toString() methods of various objects and concatenating the results.
In the given example, the log message is a constant string, so letting the logger discard it is just as efficient as checking whether the logger is enabled, ...
How can I get last characters of a string
...for another approach.
Original answer:
You'll want to use the Javascript string method .substr() combined with the .length property.
var id = "ctl03_Tabs1";
var lastFive = id.substr(id.length - 5); // => "Tabs1"
var lastChar = id.substr(id.length - 1); // => "1"
This gets the characters s...
How ViewBag in ASP.NET MVC works
... intrigues me, how does "Magic" properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work?
7 Answ...
How does setting baselineAligned to false improve performance in LinearLayout?
...
By setting android:baselineAligned="false" , you're preventing the extra work your app's layout has to do in order to Align its children's baselines; which can obviously increase the performance. (Fewer unnecessary operations on UI => Better performance)
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Simpler way to create dictionary of separate variables?
I would like to be able to get the name of a variable as a string but I don't know if Python has that much introspection capabilities. Something like:
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How to deploy correctly when using Composer's develop / production switch?
...roduction server and without going through preview/staging. That's just an extra bit of caution.
– Scalable
Mar 25 '15 at 1:14
3
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How can I pass parameters to a partial view in mvc 4
... for single value while i was searching for myself, is just passing single string and setting string as model in view like this.
In your Partial calling side
@Html.Partial("ParitalAction", "String data to pass to partial")
And then binding the model with Partial View like this
@model string
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Convert string to title case with JavaScript
Is there a simple way to convert a string to title case? E.g. john smith becomes John Smith . I'm not looking for something complicated like John Resig's solution , just (hopefully) some kind of one- or two-liner.
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Javascript replace with reference to matched group?
I have a string, such as hello _there_ . I'd like to replace the two underscores with <div> and </div> respectively, using JavaScript . The output would (therefore) look like hello <div>there</div> . The string might contain multiple pairs of underscores.
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Android ViewPager with bottom dots
... app:imageResources="@array/img_id_arr"/>
Create an integer array in strings.xml e.g.
<integer-array name="img_id_arr">
<item>@drawable/img1</item>
<item>@drawable/img2</item>
<item>@drawable/img3</item>
<item>@drawable/img4</item&...