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javascript: Clear all timeouts?
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It need not start at 1. The HTML5 spec says "Let handle be a user-agent-defined integer that is greater than zero that will identify the timeout to be set by this call." which leaves room for the handle to be any positive integer including non-consecutive and non-small integ...
How to specify id when uses include in layout xml file
...out xml file, I have included other layout xml file (each
with a different android id).
11 Answers
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How to check which locks are held on a table
...first block that caused the other blocks.
Edit to add comment from @MikeBlandford:
The blocked column indicates the spid of the blocking process. You can run kill {spid} to fix it.
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im...
How to delete from multiple tables in MySQL?
...m trying to delete from a few tables at once. I've done a bit of research, and came up with this
7 Answers
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SQL WHERE ID IN (id1, id2, …, idn)
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Option 3 is simply horrible performance-wise. It sends a query every loop and hammers the database with small queries. It also prevents it from using any optimizations for "value is one of those in a given list"
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Handling colon in element ID with jQuery
...xplanation:
Apart from the speed gain (see further down), it is easier to handle.
Example: Say you have a function
function doStuff(id){
var jEle = $("#" + id); //is not safe, since id might be "foo:bar:baz" and thus fail.
//You would first have to look for ":" in the id string,...
Android OnClickListener - identify a button
...b1);
b2 = (Button) findViewById(R.id.b2);
b1.setOnClickListener(myhandler1);
b2.setOnClickListener(myhandler2);
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}
View.OnClickListener myhandler1 = new View.OnClickListener() {
public void onClick(View v) {
// it was the 1st button
}
};
View.OnClickListener ...
MySQL foreign key constraints, cascade delete
I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
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How to express a NOT IN query with ActiveRecord/Rails?
...e come to this, if you are using Rails 4 look at the answers by Trung Lê` and VinniVidiVicci.
15 Answers
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What is the standard naming convention for html/css ids and classes?
...oks like I like to mix things up yearly... After switching to Sublime Text and using Bootstrap for a while, I've gone back to dashes. To me now they look a lot cleaner than un_der_scores or camelCase. My original point still stands though: there isn't a standard.
Update 2015
An interesting corner ...