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Best way to simulate “group by” from bash?
...ick and dirty method is as follows:
cat ip_addresses | sort -n | uniq -c
If you need to use the values in bash you can assign the whole command to a bash variable and then loop through the results.
PS
If the sort command is omitted, you will not get the correct results as uniq only looks at succ...
Changing the size of a column referenced by a schema-bound view in SQL Server
... the schema of the underlying table or tables. When
SCHEMABINDING is specified, the base
table or tables cannot be modified in
a way that would affect the view
definition. The view definition itself
must first be modified or dropped to
remove dependencies on the table that
is to be mod...
How to add an extra source directory for maven to compile and include in the build jar?
...t;
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<version>1.7</version>
<executions>
<execution>
<id>add-source</id>
<phase>ge...
Installing SetupTools on 64-bit Windows
...ller for setuptools it tells me that Python 2.7 is not installed. The specific error message is:
11 Answers
...
View/edit ID3 data for MP3 files
...
TagLib Sharp is pretty popular.
As a side note, if you wanted to take a quick and dirty peek at doing it yourself.. here is a C# snippet I found to read an mp3's tag info.
class MusicID3Tag
{
public byte[] TAGID = new byte[3]; // 3
public byte[] Title = ne...
How to convert the ^M linebreak to 'normal' linebreak in a file opened in vim?
...
This is definitely the right answer for the question, if you have a ^M followed by a new line, you want to keep the newline but remove the ^M. Doing the other substitution below double-spaces your file.
– dlamblin
Oct 16 '13 at 17:38
...
Why is this jQuery click function not working?
... ready function sets up the listeners based on what it finds on the page. If you don't do this, they are never set up. The best way to do this, however, is to delegate them with the "on()" function, instead. That way any elements added to the page after load will still work!
...
git returns http error 407 from proxy after CONNECT
...sername:password@proxiURL:proxiPort
then
git config --global http.sslVerify false
(I confirm it's necessary : if set to true getting "SSL certificate problem: unable to get local issuer certificate" error)
in my case, no need of defining all_proxy variable
and finally
git clone https://gith...
Can you get DB username, pw, database name in Rails?
...
If some of those have nil values (in my case: host, username, and password), what are the defaults that Rails would use?
– Dennis
May 26 '14 at 18:48
...
How can I get the sha1 hash of a string in node.js?
... function(input){
return crypto.createHash('sha256').update(JSON.stringify(input)).digest('hex')
}
To answer your question and make a SHA1 hash:
const INSECURE_ALGORITHM = 'sha1'
var getInsecureSHA1ofJSON = function(input){
return crypto.createHash(INSECURE_ALGORITHM).update(JSON.stringif...