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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...
How do I auto-hide placeholder text upon focus using css or jquery?
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not working. stackblitz.com/edit/angular-jd2l6y-frudzk?file=app/…
– its me
Mar 20 '18 at 10:37
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How does one reorder columns in a data frame?
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Your dataframe has four columns like so df[,c(1,2,3,4)].
Note the first comma means keep all the rows, and the 1,2,3,4 refers to the columns.
To change the order as in the above question do df2[,c(1,3,2,4)]
If you want to output this file as a csv, do write.csv(df2, file="somedf.csv")
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Wait 5 seconds before executing next line
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See also the following question: stackoverflow.com/questions/758688/…
– GDP2
Aug 26 at 5:17
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Prevent dialog dismissal on screen rotation in Android
...ion
Android DialogFragment vs Dialog
How can I show a DialogFragment using compatibility package?
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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_...
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...
Selenium c# Webdriver: Wait Until Element is Present
...ctable behavior leading to bad test results. Generally speaking, I would recommend using explicit waits over implicit waits.
– mrfreester
Dec 22 '16 at 19:26
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