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Disable XML validation in Eclipse
...ngs (disable the validation for this project): Right-click on the project, select Properties > Validation and uncheck the manual and build for: XML Schema Validator, XML Validator
Right-click on the project and select Validate to make the errors disappear.
...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...and re-try where necessary.
Some attempted solutions also fail to consider SELECT races. If you try the obvious and simple:
-- THIS IS WRONG. DO NOT COPY IT. It's an EXAMPLE.
BEGIN;
UPDATE testtable
SET somedata = 'blah'
WHERE id = 2;
-- Remember, this is WRONG. Do NOT COPY IT.
INSERT INTO testt...
Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr
...ck Options, expand
Designers, and then click Table and Database Designers.
Select or clear the Prevent saving changes that require the table to be
re-created check box.
See Also
Colt Kwong Blog Entry:
Saving changes is not permitted in SQL 2008 Management Studio
...
How to use if-else option in JSTL
...prefix="c" uri="http://www.springframework.org/tags/form"%>
and
<c:select>
<option value="RCV"
${records[0].getDirection() == 'RCV' ? 'selected="true"' : ''}>
<spring:message code="dropdown.Incoming" text="dropdown.Incoming" />
...
MongoDB SELECT COUNT GROUP BY
I am playing around with MongoDB trying to figure out how to do a simple
7 Answers
7
...
Case conventions on element names?
...inent examples:
<a>1</a><b>1</b>
<xsl:value-of select="a+b"/>
outputs 2, as expected
<a>1</a><b>1</b>
<xsl:value-of select="a-b"/>
DOES NOT ERROR, BUT OUTPUTS NOTHING AT ALL
In the above code, you must put at least one space before a su...
MySQL, better to insert NULL or empty string?
...or an empty string using a bound variable but not for a NULL. This query:
SELECT *
FROM mytable
WHERE mytext = ?
will never match a NULL in mytext, whatever value you pass from the client. To match NULLs, you'll have to use other query:
SELECT *
FROM mytable
WHERE mytext IS NULL
...
unsigned APK can not be installed
...ps.)
Install your app onto the emulator.
Once it is installed goto DDMS, select the current running app under the devices window. This will then show all the files related to it under the file explorer.
Under file explorer go to data->app and select your APK (which is the package name of the ap...
Removing App ID from Developer Connection
...ifiers > App IDs"
Find the app id you wish to delete, highlight it and select "Settings". At the bottom of the resulting screen there is a "Delete" button.
Previously the only way to do this was to use a Safari & Chrome extension written by Simon Whitaker
app-id-sanity downloads
It giv...
How can I test an AngularJS service from the console?
...y code
Another useful trick to get the $scope of a particular element.
Select the element with the DOM inspection tool of your developer tools and then run the following line ($0 is always the selected element):
angular.element($0).scope()
...