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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
... primary key and the error that occurred on that row...
This is in C#, but converting it to VB should not be hard.
foreach (DataRow dr in dataTable)
{
if (dr.HasErrors)
{
Debug.Write("Row ");
foreach (DataColumn dc in dataTable.PKColumns)
Debug.Write(dc.ColumnName...
How to change the foreign key referential action? (behavior)
...se, a table1 has a foreign key with column name fk_table2_id, with constraint name fk_name and table2 is referred table with key t2 (something like below in my diagram).
table1 [ fk_table2_id ] --> table2 [t2]
First step, DROP old CONSTRAINT: (reference)
ALTER TABLE `table1`
DROP FOR...
CodeFile vs CodeBehind
...meant for a "Web Application Project" as it needs to be compiled. So while converting a "Website" to a "Web Application Project" we may need to manually change all CodeFile occurences to Codebehind!
– renegadeMind
Jun 3 '10 at 12:50
...
What is Data URI support like in major email client software?
... data URIs.
In addition, gmx.de (a very popular German web mail provider) converts image URIs to a URI on its server, and this doesn't seem to support data URIs.
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Getting distance between two points based on latitude/longitude
...n Python, all the trig functions use radians, not degrees.
You can either convert the numbers manually to radians, or use the radians function from the math module:
from math import sin, cos, sqrt, atan2, radians
# approximate radius of earth in km
R = 6373.0
lat1 = radians(52.2296756)
lon1 = ra...
Selecting pandas column by location
...
The method .transpose() converts columns to rows and rows to column, hence you could even write
df.transpose().ix[3]
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Routing: The current request for action […] is ambiguous between the following action methods
...ot strongly-typed.
You can accomplish what you want using custom routes pointing to different action methods:
... in Global.asax
routes.MapRoute( // this route must be declared first, before the one below it
"StartBrowse",
"Gallery/Browse/Start/Here",
new
{
controller...
Python “raise from” usage
...hen __suppress_context__ is set to True, the __context__ is ignored when printing a traceback.
When raising from a exception handler where you don't want to show the context (don't want a during handling another exception happened message), then use raise ... from None to set __suppress_context__ t...
Is it possible to display inline images from html in an Android TextView?
...ml.ImageGetter {
public Drawable getDrawable(String source) {
int id;
if (source.equals("stack.jpg")) {
id = R.drawable.stack;
}
else if (source.equals("overflow.jpg")) {
id = R.drawable.overflow;
}
else {
retu...
.NET WPF Remember window size between sessions
...s going on. You need to add a bounds check using Window.GetScreen(), after converting the screen coordinates to DPI dependant values.
– Omer Raviv
May 25 '12 at 9:09
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