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Is there a /dev/null on Windows?
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2 of the links here are now broken. :(
– Michael Foukarakis
Jan 1 at 8:12
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Usage of sys.stdout.flush() method
...print one number every second for five seconds, but if you run it as it is now (depending on your default system buffering) you may not see any output until the script completes, and then all at once you will see 0 1 2 3 4 printed to the screen.
This is because the output is being buffered, and unl...
Getting the closest string match
...eloping the Gulf of Mexico Validator tool. What existed was a database of known gulf of Mexico oil rigs and platforms, and people buying insurance would give us some badly typed out information about their assets and we had to match it to the database of known platforms. When there was very little i...
Rails select helper - Default selected value, how?
Here is a piece of code I'm using now:
15 Answers
15
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Xcode Find and replace in all project files
...bar search, you have to press 'Find' then a menu appears – pick replace. Now you can replace project-wide.
Happy coding!
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How to give border to any element using css without adding border-width to the whole width of elemen
...the declared width, and any border and padding cut inside the box. You can now safely declare your element to be of 100% width, including pixel-based padding and border, and accomplish your goal perfectly.
-webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
-moz-box-sizing: border-bo...
Asynchronous Process inside a javascript for loop [duplicate]
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async await is here
(ES7), so you can do this kind of things very easily now.
var i;
var j = 10;
for (i = 0; i < j; i++) {
await asycronouseProcess();
alert(i);
}
Remember, this works only if asycronouseProcess is returning a Promise
If asycronouseProcess is not in your cont...
Possible to access the index in a Hash each loop?
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If you like to know Index of each iteration you could use .each_with_index
hash.each_with_index { |(key,value),index| ... }
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Why can't I use the 'await' operator within the body of a lock statement?
...lock(), that in a synchronous world would execute on separate threads. But now with await (if allowed I mean) you could have two tasks executing within the lock block because the thread was reused. Hilarity ensues. Or did I misunderstand something?
– Gareth Wilson
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How bad is shadowing names defined in outer scopes?
...t as yadda but miss one of the places it is used in the function's body... Now data refers to the global, and you start having weird behaviour - where you would have a much more obvious NameError if you didn't have a global name data.
Also remember that in Python everything is an object (including...