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Always pass weak reference of self into block in ARC?
... This isn't a problem, for example:
[myArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop){
[self doSomethingWithObject:obj];
}];
The block retains self, but self doesn't retain the block. If one or the other is released, no cycle is created and everything gets deallocated a...
How do I put a bunch of uncommitted changes aside while working on something else
If I have a bunch of uncommitted changes and want to set it aside while working on something else instead, and then later (f.i. after several days) come back to it and proceed working. What would be the easiest workflow to accomplish this? (So far I have only experience with Mercurial's basic functi...
How to export all data from table to an insertable sql format?
... another (which might or might not have similar design).
If you dont have identity column in table B_table:
INSERT INTO A_db.dbo.A_table
SELECT * FROM B_db.dbo.B_table
If you have identity column in table B_table, you have to specify columns to insert. Basically you select all except identity co...
Setting up maven dependency for SQL Server
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Download the driver JAR from the link provided by Olaf and add it to your local Maven repository with;
mvn install:install-file -Dfile=sqljdbc4.jar -DgroupId=com.microsoft.sqlserver -DartifactId=sqljdbc4 -Dversion=4.0 -Dpackaging=jar
Then add it to your project wit...
unobtrusive validation not working with dynamic content
I'm having problems trying to get the unobtrusive jquery validation to work with a partial view that is loaded dynamically through an AJAX call.
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How do I implement onchange of with jQuery?
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Unfortunately, this doesn't work for a hidden input. A possible solution when required a onchange on a hidden input is: <input type='text' style='display:none' /> (with css)..
– NickGreen
Aug 11 '11 at 7:19
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AngularJS-Twig conflict with double curly braces
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You can change the start and end interpolation tags using interpolateProvider service. One convenient place for this is at the module initialization time.
angular.module('myApp', []).config(function($interpolateProvider){
$interpolateProvider.startSymbol('{[{').endSymbol('}]}');
});
https:/...
How to output MySQL query results in CSV format?
...om/rx/1475/save-mysql-query-results-into-a-text-or-csv-file/
SELECT order_id,product_name,qty
FROM orders
WHERE foo = 'bar'
INTO OUTFILE '/var/lib/mysql-files/orders.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n';
Using this command columns names will not be exported.
Als...
Convert JSON String to Pretty Print JSON output using Jackson
...apper.writerWithDefaultPrettyPrinter().writeValueAsString(json);
this avoids your having to define actual POJO to map data to.
Or you can use JsonNode (JSON Tree) as well.
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Ensure that HttpConfiguration.EnsureInitialized()
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Thank you. That's been a thorn in my side.
– Robert Bolton
Mar 7 '18 at 18:30
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