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How do I automatically update a timestamp in PostgreSQL
... you (1) the time of the actual current moment, (2) the time the statement started, and (3) the time the transaction started. The example shown here is start of current transaction. You may or may not want that as opposed to the other two possibilities.
– Basil Bourque
...
How do I create a simple 'Hello World' module in Magento?
...ward "Here's how Magento works" resource I've been able to find. I've also started writing Magento tutorials at my own website.
Second, if you have a choice, and aren't an experienced programmer or don't have access to an experienced programmer (ideally in PHP and Java), pick another cart. Magento ...
What is time_t ultimately a typedef to?
...y 32 or 64 bits wide)
which represents the number of seconds
since the start of the Unix epoch:
midnight UTC of January 1, 1970 (not
counting leap seconds). Some systems
correctly handle negative time values,
while others do not. Systems using a
32-bit time_t type are susceptible to
...
How can I do something like a FlowLayout in Android?
...lexWrap = FlexWrap.WRAP
layoutManager.justifyContent = JustifyContent.FLEX_START
layoutManager.alignItems = AlignItems.FLEX_START
recyclerView.layoutManager=layoutManager
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What's the difference between Cache-Control: max-age=0 and no-cache?
...I can't vouch for its correctness):
In practice, IE and Firefox have
started treating the no-cache
directive as if it instructs the
browser not to even cache the page.
We started observing this behavior
about a year ago. We suspect that
this change was prompted by the
widespread ...
Why does this code using random strings print “hello world”?
...
@rootTraveller For a start, new Random() doesn't return a number at all.
– user253751
Mar 7 '17 at 7:25
2
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Select elements by attribute in CSS
...s worth noting CSS3 substring attribute selectors
[attribute^=value] { /* starts with selector */
/* Styles */
}
[attribute$=value] { /* ends with selector */
/* Styles */
}
[attribute*=value] { /* contains selector */
/* Styles */
}
...
Ruby max integer
...
Whoops, I guess I started thinking too much about bytes instead of bits.
– Matthew Crumley
Feb 11 '09 at 12:53
10
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How do I “source” something in my .vimrc file?
...your source files. So plugins you use every time could be sourced when you start up Vim by adding a line to your .vimrc like this
so myPlugin.vim
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Java - sending HTTP parameters via POST method easily
...connection after you have opened the connection.
This code should get you started:
String urlParameters = "param1=a&param2=b&param3=c";
byte[] postData = urlParameters.getBytes( StandardCharsets.UTF_8 );
int postDataLength = postData.length;
String request = "http://exampl...