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What is std::promise?
...mise, along with function arguments, are moved into a separate thread.
The new thread executes the function and fulfills the promise.
The original thread retrieves the result.
As an example, here's our very own "packaged task":
template <typename> class my_task;
template <typename R, ty...
How do I clone a subdirectory only of a Git repository?
...k to add another filter without testing. I saw now that there is however a new syntax to do it, updated (also untested, but copied from docs :-))
– Ciro Santilli 郝海东冠状病六四事件法轮功
Dec 3 '19 at 9:22
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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
...
The first syntax is redundant - the WITH CHECK is default for new constraints, and the constraint is turned on by default as well.
This syntax is generated by the SQL management studio when generating sql scripts -- I'm assuming it's some sort of extra redundancy, possibly to ensure th...
Grabbing the href attribute of an A element
...iable Regex for HTML are difficult. Here is how to do it with DOM:
$dom = new DOMDocument;
$dom->loadHTML($html);
foreach ($dom->getElementsByTagName('a') as $node) {
echo $dom->saveHtml($node), PHP_EOL;
}
The above would find and output the "outerHTML" of all A elements in the $html...
In Android EditText, how to force writing uppercase?
...id actually has a built-in InputFilter just for this!
edittext.setFilters(new InputFilter[] {new InputFilter.AllCaps()});
Be careful, setFilters will reset all other attributes which were set via XML (i.e. maxLines, inputType,imeOptinos...). To prevent this, add you Filter(s) to the already exist...
How to rename files and folder in Amazon S3?
... rename a file in S3. What you have to do is copy the existing file with a new name (just set the target key) and delete the old one.
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PDOException SQLSTATE[HY000] [2002] No such file or directory
...ectory error for a different reason. I had just finished building a brand new LAMP stack on Ubuntu 12.04 with Apache 2.4.7, PHP v5.5.10 and MySQL 5.6.16. I moved my sites back over and fired them up. But, I couldn't load my Laravel 4.2.x based site because of the [PDOException] above. So, I chec...
What are the true benefits of ExpandoObject?
...a dictionary within a dictionary:
Dictionary<String, object> dict = new Dictionary<string, object>();
Dictionary<String, object> address = new Dictionary<string,object>();
dict["Address"] = address;
address["State"] = "WA";
Console.WriteLine(((Dictionary<string,object>...
Moving Git repository content to another repository preserving history
...cribed here https://www.smashingmagazine.com/2014/05/moving-git-repository-new-server/
First, we have to fetch all of the remote branches and tags from the existing repository to our local index:
git fetch origin
We can check for any missing branches that we need to create a local copy of: ...
Implicit “Submit” after hitting Done on the keyboard at the last EditText
...Text) findViewById(R.id.search_edit);
edit_txt.setOnEditorActionListener(new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) {
submit_btn.performClick...