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Better way to check variable for null or empty string?
... PHP is a dynamic language what's the best way of checking to see if a provided field is empty?
10 Answers
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How can I create a border around an Android LinearLayout?
I have one big layout, and one smaller layout inside of it.
9 Answers
9
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How do I programmatically force an onchange event on an input?
...e dispatchEvent method of the element:
var element = document.getElementById('just_an_example');
var event = new Event('change');
element.dispatchEvent(event);
This will trigger event listeners regardless of whether they were registered by calling the addEventListener method or by setting the onc...
How do I change the text of a span element using JavaScript?
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For modern browsers you should use:
document.getElementById("myspan").textContent="newtext";
While older browsers may not know textContent, it is not recommended to use innerHTML as it introduces an XSS vulnerability when the new text is user input (see other answers below for a ...
How to restart Activity in Android
How do I restart an Android Activity ? I tried the following, but the Activity simply quits.
21 Answers
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How to include a quote in a raw Python string
Consider:
7 Answers
7
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ASP.NET 4.5 has not been registered on the Web server
...u saved my day. I had not installed .Net framework 4.6 explicitly. What I did was that I installed Visual Studio 2015 which resulted in implicit installation of .Net framework 4.6. After installation of VS 2015 I opened an existing solution in VS 2013 ( the solution was created in VS 2013 only) whic...
How can I convert a DateTime to the number of seconds since 1970?
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Did not work for me. This answer did the trick: stackoverflow.com/questions/249760/…
– Zeezer
Jan 2 '14 at 14:11
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How do I see what character set a MySQL database / table / column is?
...See answer with more points for a better method).
– fideloper
Jan 28 '14 at 17:40
21
@fideloper, ...
Why number 9 in kill -9 command in unix? [closed]
...ber 9.
You can as well use the mnemonics, as the numbers:
kill -SIGKILL pid
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