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How can I limit possible inputs in a HTML5 “number” element?
...creenshot taken from Chrome 15
You can use the HTML5 oninput event in JavaScript to limit the number of characters:
myInput.oninput = function () {
if (this.value.length > 4) {
this.value = this.value.slice(0,4);
}
}
...
Converting string to byte array in C#
...e my real world experience: I created WinForms application customizing git scripts for teachers. The output is obtained on the background anynchronously by a process described by Microsoft as
The word "shell" in this context (UseShellExecute) refers to a graphical shell (similar to the Windows shel...
How to loop through files matching wildcard in batch file
.../? help, basename can be extracted using the nifty ~n option. So, the base script would read:
for %%f in (*.in) do call process.cmd %%~nf
Then, in process.cmd, assume that %0 contains the base name and act accordingly. For example:
echo The file is %0
copy %0.in %0.out
ren %0.out monkeys_are_coo...
How to merge two arrays in JavaScript and de-duplicate items
I have two JavaScript arrays:
76 Answers
76
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Prevent automatic browser scroll on refresh
...nchor and the page jumps around. Is there any way to prevent this with javascript? So that no-matter-what you would always navigate to the anchor.
...
Elements order in a “for (… in …)” loop
Does the "for…in" loop in Javascript loop through the hashtables/elements in the order they are declared? Is there a browser which doesn't do it in order?
The object I wish to use will be declared once and will never be modified.
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Why do browsers match CSS selectors from right to left?
...ag/node and needn't have to wait for the whole page except when it finds a script, in which case it temporarily pauses and completes execution of the script and then goes forward.
If it does the other way round it will be inefficient because the browser found the element it was scanning on the fir...
Detect a finger swipe through JavaScript on the iPhone and Android
...t that a user swiped his finger in some direction over a web page with JavaScript?
21 Answers
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using jquery $.ajax to call a PHP function
This may be a simple answer, but I'm using jQuery's $.ajax to call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript.
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Server.UrlEncode vs. HttpUtility.UrlEncode
...but if a buggy webserver requires this, it's easy to workaround. Avoid javascript's escape function - it's inherently buggy (impossible to roundtrip, for one). See xkr.us/articles/javascript/encode-compare - but in short; you can use encodeUriComponent() instead, which behaves similarly to EscapeDa...