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Parallel foreach with asynchronous lambda
...
If you just want simple parallelism, you can do this:
var bag = new ConcurrentBag<object>();
var tasks = myCollection.Select(async item =>
{
// some pre stuff
var response = await GetData(item);
bag.Add(response);
// some post stuff
});
await Task.WhenAll(tasks);
var coun...
Is it safe to delete an object property while iterating over them?
...een visited during enumeration is deleted, then it will not be visited. If new properties are
added to the object being enumerated during enumeration, the newly added properties are not guaranteed to
be visited in the active enumeration. A property name must not be visited more than once in an...
How can I set the max-width of a table cell using percentages?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f8465385%2fhow-can-i-set-the-max-width-of-a-table-cell-using-percentages%23new-answer', 'question_page');
}
);
...
Create a tar.xz in one command
...
Switch -J only works on newer systems. The universal command is:
To make .tar.xz archive
tar cf - directory/ | xz -z - > directory.tar.xz
Explanation
tar cf - directory reads directory/ and starts putting it to TAR format. The output of thi...
Spring Boot Rest Controller how to return different HTTP status codes?
...t;?> create(@RequestBody String data) {
if(everything_fine)
return new ResponseEntity<>(RestModel, HttpStatus.OK);
else
return new ResponseEntity<>(null, HttpStatus.INTERNAL_SERVER_ERROR);
}
share
...
Differences between Proxy and Decorator Pattern
... I took a class on this at Amazon from a visiting lecturer who knew his stuff. There is a difference between the use of a "proxy" executable (e.g. with a web service) and the Proxy Design Pattern. The UMLs of the Proxy pattern and of the Decorator pattern can be different. But nothing pre...
String concatenation does not work in SQLite
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
...
How to comment in Vim's config files: “.vimrc”?
...unction () {
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}
);
...
What is the shortest way to pretty print a org.w3c.dom.Document to stdout?
...ion, TransformerException {
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
transformer.setOutputProperty(OutputKeys.METHOD, "xml");
transformer.setOutpu...
git submodule tracking latest
...the possibility to track branches.
"git submodule" started learning a new mode to integrate with the tip of the remote branch (as opposed to integrating with the commit recorded in the superproject's gitlink).
# add submodule to track master branch
git submodule add -b master [URL to Git repo...