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What is std::promise?
...ged_task. Note that moving the entire task subsumes moving the promise. In more ad-hoc situations, one could also move a promise object explicitly into the new thread and make it a function argument of the thread function, but a task wrapper like the one above seems like a more flexible and less int...
Function to clear the console in R and RStudio
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Gulps gulp.watch not triggered for new or deleted files?
...hing that can look for new files, use the gulp-watch plugin, which is much more powerful. Usage looks like this:
var watch = require('gulp-watch');
// in a task
watch({glob: <<glob or array of globs>> })
.pipe( << add per-file tasks here>> );
// if you'd rather re...
What is the recommended approach towards multi-tenant databases in MongoDB?
...you post additional details about your application, perhaps I can give you more detailed advice.
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What is the volatile keyword useful for?
... what his article calls the "pattern 1 status flag."
If you want to learn more about how volatile works under the hood, read up on the Java memory model. If you want to go beyond that level, check out a good computer architecture book like Hennessy & Patterson and read about cache coherence and...
Test if lists share any items in python
... suspect there might be a library function to do this. If not, is there a more pythonic method of achieving the same result.
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git pull from master into the development branch
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The steps you listed will work, but there's a longer way that gives you more options:
git checkout dmgr2 # gets you "on branch dmgr2"
git fetch origin # gets you up to date with origin
git merge origin/master
The fetch command can be done at any point before the merge, i.e., you ca...
ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView
...or the answer till now so this may be a perfect answer,but please add some more text for explaining the problem and how to resolve it..cause I still cant understand much from this.
– Chirag Patel
Apr 24 '12 at 11:39
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Converting an integer to a string in PHP
...ective its obvious what you are trying to do rather than some of the other more esoteric answers. Of course, it depends on your context.
$var = 5;
// Inline variable parsing
echo "I'd like {$var} waffles"; // = I'd like 5 waffles
// String concatenation
echo "I'd like ".$var." waffles"; // I'd l...