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Get number of digits with JavaScript
...hematically. For positive integers there is a wonderful algorithm with log10:
var length = Math.log(number) * Math.LOG10E + 1 | 0; // for positive integers
For all types of integers (including negatives) there is a brilliant optimised solution from @Mwr247, but be careful with using Math.log10, ...
Change a column type from Date to DateTime during ROR migration
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510
First in your terminal:
rails g migration change_date_format_in_my_table
Then in your migrati...
IntelliJ IDEA jump from interface to implementing class in Java
...|
edited Apr 19 '13 at 9:10
Boris Pavlović
56.3k2525 gold badges112112 silver badges142142 bronze badges
...
How do I add BundleConfig.cs to my project?
...ore information on bundling, visit http://go.microsoft.com/fwlink/?LinkId=301862
public static void RegisterBundles(BundleCollection bundles)
{
bundles.Add(new ScriptBundle("~/bundles/jquery").Include(
"~/Scripts/jquery-{version}.js"));
...
How to change line width in IntelliJ (from 120 character)
...
IntelliJ IDEA 2018
File > Settings... > Editor > Code Style > Hard wrap at
IntelliJ IDEA 2016 & 2017
File > Settings... > Editor > Code Style > Right margin (columns):
...
How to create a zip file in Java
....putNextEntry(e);
byte[] data = sb.toString().getBytes();
out.write(data, 0, data.length);
out.closeEntry();
out.close();
This will create a zip in the root of D: named test.zip which will contain one single file called mytext.txt. Of course you can add more zip entries and also specify a subdir...
How to generate an openSSL key using a passphrase from the command line?
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210
If you don't use a passphrase, then the private key is not encrypted with any symmetric cipher -...
CSS selector by inline style attribute
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edited Mar 3 '17 at 14:20
answered Dec 8 '11 at 6:07
Bolt...
Which mime type should I use for mp3
...
answered May 21 '12 at 16:03
salucesaluce
11.5k33 gold badges4444 silver badges6363 bronze badges
...
Jackson how to transform JsonNode to ArrayNode without casting?
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250
Yes, the Jackson manual parser design is quite different from other libraries. In particular, yo...