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How do I use cascade delete with SQL Server?
...ER TABLE dbo.T2
ADD CONSTRAINT FK_T1_T2_Cascade
FOREIGN KEY (EmployeeID) REFERENCES dbo.T1(EmployeeID) ON DELETE CASCADE
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Set the value of an input field
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This is one way of doing it:
document.getElementById("mytext").value = "My value";
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angular.element vs document.getElementById or jQuery selector with spin (busy) control
...like that:
var myElement = angular.element( document.querySelector( '#some-id' ) );
You wrap the Document.querySelector() native Javascript call into the angular.element() call. So you always get the element in a jqLite or jQuery object, depending whether or not jQuery is available/loaded.
Official...
I want to execute shell commands from Maven's pom.xml
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Here's what's been working for me:
<plugin>
<artifactId>exec-maven-plugin</artifactId>
<groupId>org.codehaus.mojo</groupId>
<executions>
<execution><!-- Run our version calculation script -->
<id>Version Calculation<...
SQLAlchemy: What's the difference between flush() and commit()?
...abase until they are committed (if your program aborts for some reason in mid-session transaction, any uncommitted changes within are lost).
The session object registers transaction operations with session.add(), but doesn't yet communicate them to the database until session.flush() is called.
se...
TextView Marquee not working [duplicate]
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working now :)
Code attached below
<TextView
android:text="START | lunch 20.00 | Dinner 60.00 | Travel 60.00 | Doctor 5000.00 | lunch 20.00 | Dinner 60.00 | Travel 60.00 | Doctor 5000.00 | END"
android:id="@+id/MarqueeText"
android:layout_width="fill_parent"
and...
ASP.NET MVC Yes/No Radio Buttons with Strongly Bound Model MVC
...</legend>
@Html.RadioButtonFor(e => e.IsMarried, true, new { id = "married-true" })
@Html.Label("married-true", "Yes")
@Html.RadioButtonFor(e => e.IsMarried, false, new { id = "married-false" })
@Html.Label("married-false", "No")
</fieldset>
You can add a @check...
Numbering rows within groups in a data frame
...l, df$cat, FUN = seq_along)
or:
library(plyr)
ddply(df, .(cat), mutate, id = seq_along(val))
or:
library(dplyr)
df %>% group_by(cat) %>% mutate(id = row_number())
or (the most memory efficient, as it assigns by reference within DT):
library(data.table)
DT <- data.table(df)
DT[, id...
SQL Group By with an Order By
...as the aggregate in the SELECT list, and order by the alias:
SELECT COUNT(id) AS theCount, `Tag` from `images-tags`
GROUP BY `Tag`
ORDER BY theCount DESC
LIMIT 20
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Convert int to ASCII and back in Python
...or my site, and my current plan (I'm open to suggestions) is to use a node ID to generate the shortened URL. So, in theory, node 26 might be short.com/z , node 1 might be short.com/a , node 52 might be short.com/Z , and node 104 might be short.com/ZZ . When a user goes to that URL, I need to rev...