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Why is “while ( !feof (file) )” always wrong?
...ol. The environment truly exists "concurrently" with your program. As with all things concurrent, questions about the "current state" don't make sense: There is no concept of "simultaneity" across concurrent events. Many properties of state simply don't exist concurrently.
Let me make this more prec...
How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
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Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...ct the variable references with a whole new object. You can check this by calling i.object_id before and after i+=1. Why would that be any more technically tricky to do with ++?
– Andy_Vulhop
Sep 7 '10 at 17:09
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jQuery: select an element's class and id at the same time?
... yes you can specify a selector that has to match ID and class (and potentially tag name and anything else you want to throw in).
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Difference between partition key, composite key and clustering key in Cassandra?
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In a situation of COMPOSITE primary key, the "first part" of the key is called PARTITION KEY (in this example key_part_one is the partition key) and the second part of the key is the CLUSTERING KEY (in this example key_part_two)
Please note that the both partition and clustering key can be made b...
How do I remove/delete a virtualenv?
...t you are using. virtualenv, venv, Anaconda environment, pyenv, pipenv are all based the same principle here.
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How can I recover a lost commit in Git?
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Accidentally dropped a commit I should have kept when rebasing. This totally saved me from redo-ing a couple hours worth of work.
– josephting
Jan 10 '19 at 6:30
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How do I increase the cell width of the Jupyter/ipython notebook in my browser?
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This solution worked for me ! I did not have to install any lib or package to use it.
– Bill Ancalagon the black
Sep 26 '16 at 19:43
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What's the difference between “groups” and “captures” in .NET regular expressions?
...hat
each Group object contains a
collection of Captures representing
all the intermediary matches by the
group during the match, as well as the
final text matched by the group.
And a few pages later, this is his conclusion:
After getting past the .NET
documentation and actually
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What is the JavaScript version of sleep()?
...e 2009 when this question was asked, JavaScript has evolved significantly. All other answers are now obsolete or overly complicated. Here is the current best practice:
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function demo() {
console.log...