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How do I automatically update a timestamp in PostgreSQL
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Updating timestamp, only if the values changed
Based on E.J's link and add a if statement from this link (https://stackoverflow.com/a/3084254/1526023)
CREATE OR REPLACE FUNCTION update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
IF row(NEW.*) IS DISTINCT FROM row(OL...
What is this CSS selector? [class*=“span”]
... 2's scaffolding technique which divided a section into a horizontal grid, based on parts of 12. Thus span6 would have a width of 50%.
In the current day implementation of Bootstrap (v.3 and v.4), you now use the .col-* classes (e.g. col-sm-6), which also specifies a media breakpoint to handle resp...
How can I add remote repositories in Mercurial?
... server repository from Mercurial.
This means you can collaborate on Git based projects from Mercurial, or use a Git server as a collaboration point for a team with developers using both Git and Mercurial.
Note: I haven't tested that tool with the latest versions of Mercurial.
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Async/Await vs Threads
...sing back to - you guessed it - the main thread. Think of it like an event based GOTO statement in Basic that can pass control back and forth to a specific line of execution.
In contrast a thread is a separate stream of execution that can run with its own variables etc. where - given sufficient har...
XML attribute vs XML element
...ose. I would have done something like:
EDIT: Updated the original example based on feedback below.
<ITEM serialNumber="something">
<BARCODE encoding="Code39">something</BARCODE>
<LOCATION>XYX</LOCATION>
<TYPE modelNumber="something">
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How does JavaFX compare to WPF? [closed]
...d colours which is useful for creating things like gradients. This means a base palette of colours can be defined and the rest can be generated from these values (this is what the default JavaFX CSS file does).
JavaFX CSS does not allow you to define the type of layout used by a node (as of writing...
Async call with await in HttpClient never returns
I have a call I am making from inside a xaml-based, C# metro application on the Win8 CP; this call simply hits a web service and returns JSON data.
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Get users by name property using Firebase
...ere I can get/set data in specific users accounts and I was tempted by Firebase.
8 Answers
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How do I get the “id” after INSERT into MySQL database with Python?
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@moose, maybe concurrent processes are doing parallel database insertion using the same connection.
– xiaohan2012
Jun 18 '14 at 12:10
1
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What is Turing Complete?
...n make a language NOT Turing complete
A Turing machine can make decisions based on what it sees in memory - The 'language' that only supports +, -, *, and / on integers is not Turing complete because it can't make a choice based on its input, but a Turing machine can.
A Turing machine can run fore...