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How do you performance test JavaScript code?
CPU Cycles, Memory Usage, Execution Time, etc.?
22 Answers
22
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How do I remove the blue styling of telephone numbers on iPhone/iOS?
...hone, and won't be applied (so far as I know, perhaps Android, Blackberry, etc. users/devs can comment) by any other UA.
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Returning JSON from PHP to JavaScript?
... it and then print it, assing it to a variable for later use, save it to a file, etc... You can read more about return in PHP: Returning values. Also you can (and should!) check for what each function you don't know returns, see our example json_encode() it states Returns a JSON encoded string on su...
Put buttons at bottom of screen with LinearLayout?
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first create file name it as footer.xml
put this code inside it.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android...
How to design a multi-user ajax web application to be concurrently safe
...(you want lots of sleep/idle time)
backend scaling
Forget database and filesystem, you will need some sort of shared memory based backend for the frequent polling (if the client does not poll directly then each running server process will)
if you go for memcache you can scale better, but its sti...
How to find out client ID of component for ajax update/render? Cannot find component with expression
...ng chapter.
Note: if it happens to contain iteration index like :0:, :1:, etc (because it's inside an iterating component), then you need to realize that updating a specific iteration round is not always supported. See bottom of answer for more detail on that.
Memorize NamingContainer components a...
What is the largest TCP/IP network port number allowable for IPv4?
... considered a worst-case scenario. But today web servers, network devices, etc. can definitely bump up against port count limitations. Microsoft wrote an interesting Technet article about how to diagnose and avoid it in Windows environments: blogs.technet.microsoft.com/askds/2008/10/29/…
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SHA1 vs md5 vs SHA256: which to use for a PHP login?
...tnik SHA512 is a good alternative. Don't get me wrong; I'm not saying a stretched and salted SHA512 hash is insecure. It's secure. Even so, the fact remains that bcrypt is more secure, and so I see no reason not to use it.
– Johannes Gorset
Feb 15 '10 at 6:41
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What is the difference between background and background-color
...background will supercede all previous background-color, background-image, etc. specifications. It's basically a shorthand, but a reset as well.
I will sometimes use it to overwrite previous background specifications in template customizations, where I would want the following:
background: white u...
What are some better ways to avoid the do-while(0); hack in C++?
... in the data stream.
Now, when we're done, we need to save the data to a file.
And yes, there are often other solutions that can provide a reasonable solution, but not always.
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