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Select element by exact match of its content
... It wasn't working for me in my specific case. I needed to search multiple tables and their respective td tags inside a div (in this case a jQuery dialog).
$("#MyJqueryDialog table tr td").filter(function () {
// The following implies that there is some text inside the td tag.
if ($.trim($...
What is the “assert” function?
...s there is no
performance penalty nor increase in
the size of the executable version of
the program.
Eg
#include <stdio.h>
#include <assert.h>
void analyze (char *, int);
int main(void)
{
char *string = "ABC";
int length = 3;
analyze(string, length);
printf("The s...
How to style a div to be a responsive square? [duplicate]
...v {
position:absolute; top:0;
height:100%; width:100%;
display:table;
border:1px solid #000;
margin:1em;
}
body > div > div > div{
display:table-cell;
vertical-align:middle; text-align:center;
padding:1em;
}
...
XML serialization in Java? [closed]
...
XStream is not dead, it is just mature and stable -- meaning there isn't much to add to core functionality. Same is actually true for JAXB reference implementation, not much activity for past couple of years.
– StaxMan
Jan 7 '11 a...
How to express a One-To-Many relationship in Django
...erated by django for you :-). We only need to define foreignKey in related table. In other words, we only need to define ManyToOne relation by using foreignKey.
class Car(models.Model):
// wheels = models.oneToMany() to get wheels of this car [**it is not required to define**].
class Wheel(mo...
Overriding id on create in ActiveRecord
...emantics in ActiveRecord, but instead of having a migration and creating a table, and incurring the overhead of the database on every call, you just store your data in yml files. The foreign keys in the database reference the in-memory ids in the yml.
ActiveHash is great for picklists and small ta...
Is MATLAB OOP slow or am I doing something wrong?
...T: I used to have some notes here on "path sensitivity" with an additional table of function call timings, where function times were affected by how the Matlab path was configured, but that appears to have been an aberration of my particular network setup at the time. The chart above reflects the ti...
MySQL CONCAT returns NULL if any field contain NULL
I have following data in my table "devices"
6 Answers
6
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ADO.NET DataRow - check for column existence
...
You can simply check like this:
return row.Table.Columns.Contains(columnName);
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What's quicker and better to determine if an array key exists in PHP?
...y search function, it only checks the presence of a variable in the symbol table and will not iterate over the array. array_key_exists on the other hand will iterate/search for the keys in the first dimension of the specified array.
– Rain
Apr 22 at 3:16
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