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What is the dependency inversion principle and why is it important?
...n on which both A and B now depend only means that A will no longer have a compile-time dependency on the public interface of B. Isolation between units can be achieved easily without these extra abstractions; there are specific mocking tools for that, in Java and .NET, that deal with all situations...
What is the difference between max-device-width and max-width for mobile web?
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Vertically align text within a div [duplicate]
...tive;
}
<div id="column-content">
<img src="http://i.imgur.com/WxW4B.png">
<span><strong>1234</strong>
yet another text content that should be centered vertically</span>
</div>
JSFiddle
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Get Visual Studio to run a T4 Template on every build
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I used JoelFan's answer to come up w/ this. I like it better because you don't have to remember to modify the pre-build event every time you add a new .tt file to the project.
add TextTransform.exe to your %PATH%
created a batch file named transform_...
String replacement in java, similar to a velocity template
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Use StringSubstitutor from Apache Commons Text.
https://commons.apache.org/proper/commons-text/
It will do it for you (and its open source...)
Map<String, String> valuesMap = new HashMap<String, String>();
valuesMap.put("animal", "quick brown...
Why do I need 'b' to encode a string with Base64?
...u create those in Python 3 with the b'' syntax.
If you remove the b, it becomes a string. A string is a sequence of Unicode characters. base64 has no idea what to do with Unicode data, it's not 8-bit. It's not really any bits, in fact. :-)
In your second example:
>>> encoded = base64.b64...
Android TextView Justify Text
... answered Aug 18 '09 at 12:33
CommonsWareCommonsWare
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
...u are on InnoDB and you only select indexed fields (and things are not too complex) than MySQL will resolve your query using only the indexes, speeding things way up.
General solution for 90% of your IN (select queries
Use this code
SELECT * FROM sometable a WHERE EXISTS (
SELECT 1 FROM somet...
How to send email attachments?
...MIMEMultipart
from email.mime.text import MIMEText
from email.utils import COMMASPACE, formatdate
def send_mail(send_from, send_to, subject, text, files=None,
server="127.0.0.1"):
assert isinstance(send_to, list)
msg = MIMEMultipart()
msg['From'] = send_from
msg['To'...
Get number of digits with JavaScript
...er) {
return number.toString().length;
}
UPDATE: As discussed in the comments, the above example won't work for float numbers. To make it working we can either get rid of a period with String(number).replace('.', '').length, or count the digits with regular expression: String(number).match(/\d...