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How can I shuffle an array? [duplicate]
...hout having it show up in loops such as for (i in arr). The following will allow you to call arr.shuffle() to shuffle the array arr:
Object.defineProperty(Array.prototype, 'shuffle', {
value: function() {
for (let i = this.length - 1; i > 0; i--) {
const j = Math.floor(Ma...
When is .then(success, fail) considered an antipattern for promises?
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What's the difference?
The .then() call will return a promise that will be rejected in case the callback throws an error. This means, when your success logger fails, the error would be passed to the following .catch() callback, but not to the fail callback that...
Can't use NVM from root (or sudo)
...n/{bin,lib,share} /usr/local
The above command is a bit complicated, but all it's doing is copying whatever version of node you have active via nvm into the /usr/local/ directory (where user installed global files should live on a linux VPS) and setting the permissions so that all users can access...
How bad is shadowing names defined in outer scopes?
I just switched to Pycharm and I am very happy about all the warnings and hints it provides me to improve my code. Except for this one which I don't understand:
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Login failed for user 'IIS APPPOOL\ASP.NET v4.0'
...Asp.Net, EF 4, MS SQL 2008 and IIS 7) and I need to migrate it to IIS 7 locally (at the moment works fine with CASSINI).
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Plot a legend outside of the plotting area in base graphics?
...in plot with bty='L' you'll have some space on the right for a legend. Normally this would get clipped to the plot region, but do par(xpd=TRUE) and with a bit of adjustment you can get a legend as far right as it can go:
set.seed(1) # just to get the same random numbers
par(xpd=FALSE) # this is u...
Add UIPickerView & a Button in Action sheet - How?
...oblem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview.
There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it ...
Git Tag list, display commit sha1 hashes
...t'll show the hash of the tag object itself.
– Lily Ballard
Jan 9 '12 at 23:43
20
To show a list ...
How can a Java variable be different from itself?
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Heh, this totally answers the question as asked.
– Dave Newton
Oct 17 '13 at 1:20
5
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How do malloc() and free() work?
I want to know how malloc and free work.
13 Answers
13
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