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Iterate through options
...
can also Use parameterized each with index and the element.
$('#selectIntegrationConf').find('option').each(function(index,element){
console.log(index);
console.log(element.value);
console.log(element.text);
});
// this will also work
$('#selectIntegrati...
C# Iterating through an enum? (Indexing a System.Array)
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Hello, I've seen mention before of this suspicion of "index-mismatching" occurring when doing this; however, I've yet to discover whether this really is a concern or not? Are there any definitive cases whereby this assumption may go awry? Thx!
– Funka
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TaifunWiFi 拓展：手机WiFi连接管理 · App Inventor 2 中文网
...示前5个网络
for each item in AvailableNetworks
if index = 1 or index = 2 or index = 3 or index = 4 or index = 5 then
set Label1.Text to Label1.Text + "网络 " + index + ": " + item
连接到WiFi网络 (Android 10+)
when Button3.Click...
Selecting a row in DataGridView programmatically
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Not tested, but I think you can do the following:
dataGrid.Rows[index].Selected = true;
or you could do the following (but again: not tested):
dataGrid.SelectedRows.Clear();
foreach(DataGridViewRow row in dataGrid.Rows)
{
if(YOUR CONDITION)
row.Selected = true;
}
...
Removing Java 8 JDK from Mac
...atest from Oracle (http://www.oracle.com/technetwork/java/javase/downloads/index.html) and install it.
2) Remove (using rm - if you've got backups, you can revert if you make a mistake) all the JDK6 and JRE6 files.
At this stage, you should see:
% ls /Library/Java/JavaVirtualMachines/
jdk1.7.0_nn...
PostgreSQL - max number of parameters in “IN” clause?
... worry about overloading the query plan optimizer or getting plans without index usage, since it will transform the query to use = ANY({...}::integer[]) where it can leverage indices as expected:
-- prepare statement, runs instantaneous:
PREPARE hugeplan (integer, integer, integer, ...) AS
SELECT *...
CSS selector for “foo that contains bar”? [duplicate]
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No, what you are looking for would be called a parent selector. CSS has none; they have been proposed multiple times but I know of no existing or forthcoming standard including them. You are correct that you would need to use something like jQuery or use additiona...
How do I disable form fields using CSS?
...events: none;
}
</style>
Update:
and if want to disable from tab index you can use it this way:
<input type="text" name="username" value="admin" tabindex="-1" >
<style type="text/css">
input[name=username] {
pointer-events: none;
}
</style>
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
...ELECT * only select
the fields that you really need.
Make sure you have an index on relevant_field to speed up the equi-join.
Make sure to group by on the primary key.
If you are on InnoDB and you only select indexed fields (and things are not too complex) than MySQL will resolve your query using ...
I want to exception handle 'list index out of range.'
...ndling the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
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