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Add line break within tooltips
How can line breaks be added within a HTML tooltip?
27 Answers
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Running multiple commands in one line in shell
...; mv /templates/apple /templates/inuse
To summarize (non-exhaustively) bash's command operators/separators:
| pipes (pipelines) the standard output (stdout) of one command into the standard input of another one. Note that stderr still goes into its default destination, whatever that happen to ...
MySQL Like multiple values
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The (a,b,c) list only works with in. For like, you have to use or:
WHERE interests LIKE '%sports%' OR interests LIKE '%pub%'
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Most efficient conversion of ResultSet to JSON?
...g code converts a ResultSet to a JSON string using JSONArray and JSONObject .
14 Answers
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What are the rules for JavaScript's automatic semicolon insertion (ASI)?
Well, first I should probably ask if this is browser dependent.
6 Answers
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What is a NullReferenceException, and how do I fix it?
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What is the cause?
Bottom Line
You are trying to use something that is null (or Nothing in VB.NET). This means you either set it to null, or you never set it to anything at all.
Like anything else, null gets passed around. If it is null in meth...
Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
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HTTP URL Address Encoding in Java
...ints to a file) from the user and I need to hit it and download it. The problem I am facing is that I am not able to encode the HTTP URL address properly...
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Convert char to int in C and C++
...etc, you can write
char a = '4';
int ia = a - '0';
/* check here if ia is bounded by 0 and 9 */
Explanation:
a - '0' is equivalent to ((int)a) - ((int)'0'), which means the ascii values of the characters are subtracted from each other. Since 0 comes directly before 1 in the ascii table (and so on...
Minimal web server using netcat
I'm trying to set up a minimal web server using netcat (nc). When the browser calls up localhost:1500, for instance, it should show the result of a function ( date in the example below, but eventually it'll be a python or c program that yields some data).
My little netcat web server needs to be a w...