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PostgreSQL - how to quickly drop a user with existing privileges
...ption of this.
Addition:
Apparently, trying to drop a user by using the commands mentioned here will only work if you are executing them while being connected to the same database that the original GRANTS were made from, as discussed here:
https://www.postgresql.org/message-id/83894A1821034948BA...
How to get the user input in Java?
I attempted to create a calculator, but I can not get it to work because I don't know how to get user input .
28 Answers
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How to download a file from a URL in C#?
...
using (var client = new WebClient())
{
client.DownloadFile("http://example.com/file/song/a.mpeg", "a.mpeg");
}
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How to pause a YouTube player when hiding the iframe?
... have added ?enablejsapi=1 to YouTube's URL, to enable the feature
Demo: http://jsfiddle.net/ZcMkt/
Code:
<script>
function toggleVideo(state) {
// if state == 'hide', hide. Else: show video
var div = document.getElementById("popupVid");
var iframe = div.getElementsByTagName("if...
Check if a string contains a string in C++
I have a variable of type std::string . I want to check if it contains a certain std::string . How would I do that?
12 ...
Open an IO stream from a local file or url
...ile_contents = open('local-file.txt') { |f| f.read }
web_contents = open('http://www.stackoverflow.com') {|f| f.read }
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How can I measure the speed of code written in PHP? [closed]
...true) - $startTime), 4) . " Seconds\n";
You can also use a profiler like http://xdebug.org/.
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Stacked Tabs in Bootstrap 3
...#ddd #ddd transparent;
*border-left-color: #ffffff;
}
Working example: http://bootply.com/74926
UPDATE
If you don't need the exact look of a tab (bordered appropriately on the left or right as each tab is activated), you can simple use nav-stacked, along with Bootstrap col-* to float the tabs ...
How to pretty print XML from Java?
...tOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
//initialize StreamResult with File object to save to file
StreamResult result = new StreamResult(new StringWriter());
DOMSource source = new DOMSource(doc);
transformer.transf...
Python JSON serialize a Decimal object
...eld on the line with super(...),
# which wouldn't work (see my comment below), so...
return (str(o) for o in [o])
return super(DecimalEncoder, self).default(o)
Then use it like so:
json.dumps({'x': decimal.Decimal('5.5')}, cls=DecimalEncoder)
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