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Is there a simple, elegant way to define singletons? [duplicate]
...the imports. For example, Python logging is a module level interface. In order to ensure you fully clean up after logging you must call logging.shutdown(). This means you must import logging into the module which calls shutdown. If it was a singleton pattern it is possible to call shutdown on th...
How to make an AJAX call without jQuery?
...our code execution will go on, while your file loads in the background. In order to use the content of the file in your script you need a mechanism that tells your script when the file finished loading or failed loading. That's where promises come in handy. There are other ways to solve this problem...
Why does C++ not allow inherited friendship?
...e that the interface class A has to boilerplate call wrappers to Z, and in order to extend access to subclasses, A's boilerplate has to be essentially duplicated in every base class like B. An interface normally expresses what functionality a module wants to offer, not what functionality in others ...
How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...id (users are converted to roles, constraints are not created in the right order), but it is not a solution for me because it doesn't script objects to different files like the Tasks->Generate Scripts option in SSMS does. I'm currently using a modified version of Scriptio (uses the MS SMO API) to...
ASP.NET MVC Razor Concatenation
...u can even use this way to concat more strings:
<li id="@("item-"+item.Order + "item_"+item.ShopID)" class="ui-state-default"></li>
Here is another post.
Hope helps someone.
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
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MySQL join with where clause
... Hi can we chuck user_category_subscriptions.user_id is null. In order to retrieve detail id in A table which having id null in B table
– Veeresh123
Aug 29 '16 at 6:57
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Mysql adding user for remote access
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In order to connect remotely you have to have MySQL bind port 3306 to your machine's IP address in my.cnf. Then you have to have created the user in both localhost and '%' wildcard and grant permissions on all DB's as such . See...
Set value of hidden input with jquery
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This worked for me:
$('input[name="sort_order"]').attr('value','XXX');
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What is the difference between integration testing and functional testing? [closed]
...l randomly; if they are fast, they might as well be used from the start in order to use Test-Driven Development without writing too many tests for your internal implementation. In other words, I think that unit-tests can be more trouble than they are worth, and I have good company.
I put tests on 3...