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Adding 'serial' to existing column in Postgres
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Look at the following commands (especially the commented block).
DROP TABLE foo;
DROP TABLE bar;
CREATE TABLE foo (a int, b text);
CREATE TABLE bar (a serial, b text);
INSERT INTO foo (a, b) SELECT i, 'foo ' || i::text FROM generate_series(1, 5) i;
INSERT INTO bar (b) SELECT 'ba...
Is there a better way to express nested namespaces in C++ within the header
... names. I find it improves readability, and helps document any given code block's dependencies. Apart from constants, I tend to try and keep it to two namespaces if possible (such as SysData::Exceptions and SysData::Classes).
– Justin Time - Reinstate Monica
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Notepad++: How to automatically set Language as Xml when load files
...his by using the Style Configurator (Settings Menu):
This image shows the php language, but it works for any language you want to map
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Using parameters in batch files at Windows command line
...p to grab them, as defined here:
http://www.robvanderwoude.com/parameters.php
Notes about delimiters for batch parameters
Some characters in the command line parameters are ignored by batch files, depending on the DOS version, whether they are "escaped" or not, and often depending on their locati...
Handler vs AsyncTask vs Thread [closed]
...ashion, and—as with the main thread—an especially long work packet can block the queue. Due to this reason, use AsyncTask to handle work items shorter than 5ms in duration.
AsyncTask objects are also the most common offenders for implicit-reference issues. AsyncTask objects present risks relate...
What is the difference between POST and GET? [duplicate]
I've only recently been getting involved with PHP/AJAX/jQuery and it seems to me that an important part of these technologies is that of POST and GET .
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How to sort an array of objects by multiple fields?
...nding on the parser. I made a gist and test suite.
– php_nub_qq
Sep 21 '17 at 17:18
Based on the sample data it looks ...
unable to copy/paste in mingw shell
...ms to be a bit buggy. For instance running an an executable via cli (e.g. php -version results in empty output and forces me to restart the shell). Waiting for a new update, hopefully which will fix this.
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Why does the use of 'new' cause memory leaks?
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In the first case, the objects are destroyed automatically when the scope block is exited. This could be a function or a scope-block within a function.
In the latter case the object b is destroyed together with the instance of A in which it is a member.
Objects are allocated with new when you nee...
How to connect to SQL Server database from JavaScript in the browser?
... to connect to a sql server would be to use some server side language like PHP, Java, .NET, among others. Client javascript should be used only for the interfaces.
And there are rumors of an ancient legend about the existence of server javascript, but this is another story. ;)
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