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How to set NODE_ENV to production/development in OS X
...art-dev": "cross-env NODE_ENV=development nodemon --exec babel-node -- src/index.js",
"start-prod": "cross-env NODE_ENV=production nodemon --exec babel-node -- src/index.js"
}
Massive props to the developers of this package.
npm install --save-dev cross-env
...
numpy: most efficient frequency counts for unique values in an array
... docs suggest that np.unique(x, True) is equivalent to np.unique(x, return_index=True), which doesn't return counts.
– jme
Dec 2 '14 at 15:05
1
...
Gitignore not working
...s command:
git rm -r --cached .
This removes any changed files from the index(staging area), then just run:
git add .
Commit it:
git commit -m ".gitignore is now working"
share
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improve thi...
Postgres: INSERT if does not exist already
...
One approach would be to create a non-constrained (no unique indexes) table to insert all your data into and do a select distinct from that to do your insert into your hundred table.
So high level would be. I assume all three columns are distinct in my example so for step3 change the...
Add timestamps to an existing table
...
Available transformations are
change_table :table do |t|
t.column
t.index
t.timestamps
t.change
t.change_default
t.rename
t.references
t.belongs_to
t.string
t.text
t.integer
t.float
t.decimal
t.datetime
t.timestamp
t.time
t.date
t.binary
t.boolean
t.remove
...
jquery.validate.unobtrusive not working with dynamic injected elements
...
It worked for me in PHP. just adding this info because every comment points to .NET MVC. :P
– finnTheHumin
Nov 17 '14 at 8:21
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Rank items in an array using Python/NumPy, without sorting array twice
...st as well. This can be obtained even more easily as >>> unique, index, inverse = np.unique(a, True, True) >>> rank_min = rank[index][inverse]
– Eelco Hoogendoorn
Jan 6 '14 at 20:47
...
Tricky Google interview question
...std::vector<int> v(n);
v[0] = 1;
int i2 = 0; // Index for 2
int i5 = 0; // Index for 5
int x2 = 2 * v[i2]; // Next two candidates
int x5 = 5 * v[i5];
for (int i = 1; i != n; ++i)
{
int m = std::min(x2, x5);
std::cout &l...
jQuery/Javascript function to clear all the fields of a form [duplicate]
...
<form id="form" method="post" action="action.php">
<input type="text" class="removeLater" name="name" /> Username<br/>
<input type="text" class="removeLater" name="pass" /> Password<br/>
<input type="text" class="removeLat...
How do cache lines work?
...y often. There was a high probability that if a program reads
the value at index i, that the program will also read the value i+1. This probability is slightly higher than the probability that the same program will also read the value i+2 and so on.
So given a memory address it was (and still is) ...