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DynamoDB vs MongoDB NoSQL [closed]
...
reading the three reasons that you should use dynamo over mongo there is a company that offers a managed service which is more expensive compared to the dynamoDB but that could be taken in consideration in case you don't have...
How can I remove the first line of a text file using bash/sed script?
... slower than sed, though. I wonder how they managed that; tail should just read a file line by line while sed does pretty complex operations involving interpreting a script, applying regular expressions and the like.
Note: You may be tempted to use
# THIS WILL GIVE YOU AN EMPTY FILE!
tail -n +2 "$...
How to get .pem file from .key and .crt files?
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Your keys may already be in PEM format, but just named with .crt or .key.
If the file's content begins with -----BEGIN and you can read it in a text editor:
The file uses base64, which is readable in ASCII, not binary format. The certifica...
Where's my JSON data in my incoming Django request?
...e same problem. I had been posting a complex JSON response, and I couldn't read my data using the request.POST dictionary.
My JSON POST data was:
//JavaScript code:
//Requires json2.js and jQuery.
var response = {data:[{"a":1, "b":2},{"a":2, "b":2}]}
json_response = JSON.stringify(response); // pr...
Version number comparison in Python
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seems to make the most sense to just use what is already there :)
– Patrick Wolf
Jan 25 '12 at 20:05
2
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How can I output a UTF-8 CSV in PHP that Excel will read properly?
...8 content that Excel both on Windows and OS X will be able to successfully read, you will need to do two things:
Make sure that you convert your UTF-8 CSV text to UTF-16LE
mb_convert_encoding($csv, 'UTF-16LE', 'UTF-8');
Make sure that you add the UTF-16LE byte order mark to the start of the file...
Equivalent to 'app.config' for a library (DLL)
...
You can have separate configuration file, but you'll have to read it "manually", the ConfigurationManager.AppSettings["key"] will read only the config of the running assembly.
Assuming you're using Visual Studio as your IDE, you can right click the desired project → Add → New item...
Is it possible to create a File object from InputStream
...ream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) != -1) {
out.write(buffer, 0, read);
}
}
Now you can easily write an Inputstream into file by using FileOutputStream-
FileOutputStream out = new FileOutputStream(outFil...
HashMap with multiple values under the same key
...ple.add(new Person("Bob Jones"));
peopleByForename.put("Bob", people);
// read from it
List<Person> bobs = peopleByForename["Bob"];
Person bob1 = bobs[0];
Person bob2 = bobs[1];
The disadvantage with this approach is that the list is not bound to exactly two values.
2. Using wrapper class
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Send string to stdin
...ut from a command, like
diff <(ls /bin) <(ls /usr/bin)
or you can read as
while read line
do
echo =$line=
done < some_file
or simply
echo something | read param
share
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improve t...