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Code equivalent to the 'let' keyword in chained LINQ extension method calls
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Let doesn't have its own operation; it piggy-backs off of Select. You can see this if you use "reflector" to pull apart an existing dll.
it will be something like:
var result = names
.Select(animalName => new { nameLength = animalName.Length, animalName})
.Where...
How to set conditional breakpoints in Visual Studio?
...t a breakpoint.
Right-Click over the breakpoint, and in the popup menu you select an option that suites you.
These options are as follows:
You can set a condition, based on a code expression that you supply (select Condition from the popup menu). For instance, you can specify that foo == 8 or s...
How to see the CREATE VIEW code for a view in PostgreSQL?
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select pg_get_viewdef('viewname', true)
A list of all those functions is available in the manual:
http://www.postgresql.org/docs/current/static/functions-info.html
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Printing the value of a variable in SQL Developer
...utput).
Press the "+" button at the top of the Dbms Output window and then select an open database connection in the dialog that opens.
In SQL*Plus:
SET SERVEROUTPUT ON
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Replace all non-alphanumeric characters in a string
I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
Getting an empty JQuery object
In the following code I set up a change handler on a select box to show and hide some follow up questions based on the value of the selection.
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MySQL skip first 10 results
Is there a way in MySQL to have the first 10 result from a SELECT query skipped?
I'd like it to work something like LIMIT.
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How to conditionally push an item in an observable array?
...the following ($parent is due to this being inside a table row loop):
<select data-bind="visible: editing, hasfocus: editing, options: $parent.jobroles, optionsText: 'name', optionsValue: 'id', value: jobroleId, optionsCaption: '-- Select --'">
</select>
<...
How do I check in SQLite whether a table exists?
...sed that FAQ entry.
Anyway, for future reference, the complete query is:
SELECT name FROM sqlite_master WHERE type='table' AND name='{table_name}';
Where {table_name} is the name of the table to check.
Documentation section for reference: Database File Format. 2.6. Storage Of The SQL Database S...
How can I create a keystore?
... the lifespan of your app.
4- On the Generate Signed APK Wizard window, select a keystore, a private key, and enter the passwords for both. Then click Next.
5- On the next window, select a destination for the signed APK and click Finish.
referance
http://developer.android.com/tools/publishing/a...