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How to count the frequency of the elements in an unordered list?
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@CristianCiupitu: sum(1 for _ in group).
– Martijn Pieters♦
Jul 29 '16 at 7:25
8
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Should URL be case sensitive?
...reat upper case letters as equivalent to lower case in scheme names (e.g., allow "HTTP" as well as "http"). Source
– realPK
Jul 1 '16 at 5:38
3
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Adding parameter to ng-click function inside ng-repeat doesn't seem to work
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One thing that really hung me up, was when I inspected this html in the browser, instead of seeing it expanded to something like:
<button ng-click="removeTask(1234)">remove</button>
I saw:
<button ng-click="removeTask(task....
How can I change the EditText text without triggering the Text Watcher?
... after update
et.addTextChangedListener(this);
}
}
Usage:
et_text.addTextChangedListener(new MyTextWatcher(et_text));
You may feel a little bit lag when entering text rapidly if you are using editText.setText() instead of editable.replace().
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How to display PDF file in HTML?
...tion of a PDF file in your HTML web-page is very easy.
<embed src="file_name.pdf" width="800px" height="2100px" />
Make sure to change the width and height for your needs.
Good luck!
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Check whether an input string contains a number in javascript
... case alphabet, and \d could mean any digit.
From below example
contains_alphaNumeric « It checks for string contains either letter or number (or) both letter and number. The hyphen (-) is ignored.
onlyMixOfAlphaNumeric « It checks for string contain both letters and numbers only of any sequenc...
to_string is not a member of std, says g++ (mingw)
...orking. I copied the exact program from the question. I still get the 'to_string' is not a member of 'std' error. I compiled it as: g++ -std=c++0x -o tostring_test.exe tostring_test.cpp
– zam664
Dec 2 '13 at 16:58
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How to wait 5 seconds with jQuery?
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Use a normal javascript timer:
$(function(){
function show_popup(){
$("#message").slideUp();
};
window.setTimeout( show_popup, 5000 ); // 5 seconds
});
This will wait 5 seconds after the DOM is ready. If you want to wait until the page is actually loaded you need to u...
How to check if a string starts with a specified string? [duplicate]
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Use the substr function to return a part of a string.
substr( $string_n, 0, 4 ) === "http"
If you're trying to make sure it's not another protocol. I'd use http:// instead, since https would also match, and other things such as http-protocol.com.
substr( $string_n, 0, 7 ) === "http://"
An...
Change text from “Submit” on input tag
...e="submitBnt" type="submit" value="like"/>
name is useful when using $_POST in php and also in javascript as document.getElementByName('submitBnt').
Also you can use name as a CS selector like input[name="submitBnt"];
Hope this helps
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