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How to use Python's pip to download and keep the zipped files for a package?
...IRC, I had to use sudo pip install <path-to-downloaded-package> --no-index --find-links `pwd`
– knocte
Nov 30 '16 at 9:09
...
How do I convert Word files to PDF programmatically? [closed]
...System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
...
// Create a new Microsoft Word application object
Microsoft.Office.Interop.Word.Application word = new Microsoft.Office.Interop.Word.Application();
// C# doesn't have optional arguments so we'll n...
How to iterate over the keys and values in an object in CoffeeScript?
...ng array comprehension, which can be used as a one-line loop.
console.log index + ": " + elm for index, elm of array
Array comprehension are:
"Comprehensions replace (and compile into) for loops, with optional
guard clauses and the value of the current array index. Unlike for
loops, array...
Import multiple csv files into pandas and concatenate into one DataFrame
....csv")
li = []
for filename in all_files:
df = pd.read_csv(filename, index_col=None, header=0)
li.append(df)
frame = pd.concat(li, axis=0, ignore_index=True)
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JS: iterating over result of getElementsByClassName using Array.forEach
...document.getElementsByClassName("myclass")).forEach(
function(element, index, array) {
// do stuff
}
);
In older browsers which don't support Array.from, you need to use something like Babel.
ES6 also adds this syntax:
[...document.getElementsByClassName("myclass")].forEach(
...
Restricting input to textbox: allowing only numbers and decimal point
.../Check if the text already contains the . character
if (txt.value.indexOf('.') === -1) {
return true;
} else {
return false;
}
} else {
if (charCode > 31 &&
(charCode < 48 || charCode > 57))
retur...
What's the fastest way to do a bulk insert into Postgres?
...ide has some other good tips on how to speed up the process, like removing indexes and foreign keys before loading the data (and adding them back afterwards).
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Should I use `this` or `$scope`?
...th have their uses. First, some history ...
$scope is the "classic" technique while "controller as" is much more recent (as of version 1.2.0 officially though it did appear in unstable pre-releases prior to this).
Both work perfectly well and the only wrong answer is to mix them in the same app w...
Nullable type as a generic parameter possible?
...
public static T GetValueOrDefault<T>(this IDataRecord rdr, int index)
{
object val = rdr[index];
if (!(val is DBNull))
return (T)val;
return default(T);
}
Just use it like this:
decimal? Quantity = rdr.GetValueOrDefault<decimal?>(1);
string Unit = rdr.GetVa...
Staging Deleted files
... name (e.g. dir to add dir/file1 and dir/file2) can be given to update the index to match the current state of the directory as a whole (e.g. specifying dir will record not just a file dir/file1 modified in the working tree, a file dir/file2 added to the working tree, but also a file dir/file3 remov...