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Escape regex special characters in a Python string
...e.escape(r'\ a.*$'))
\\\ a\.\*\$
>>> re.escape('www.stackoverflow.com')
'www\\.stackoverflow\\.com'
>>> print(re.escape('www.stackoverflow.com'))
www\.stackoverflow\.com
Repeating it here:
re.escape(string)
Return string with all non-alphanumerics backslashed; this is useful if y...
Print variables in hexadecimal or decimal format
... and to set the default output radix setting, see stackoverflow.com/questions/6618670/…
– Chan Kim
Sep 10 '18 at 1:19
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How do I create a branch?
...r in the repository to somewhere else in the repository using the svn copy command.
Basically this means that it is by convention what copying a folder means - whether it be a backup, tag, branch or whatever. Depending upon how you want to think about things (normally depending upon which SCM tool ...
Android custom dropdown/popup menu
...ctivity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
...
How to use mysql JOIN without ON condition?
... SQL.
A cross join creates a Cartesian product -- that is, every possible combination of 1 row from the first table and 1 row from the second. The cross join for a table with three rows ('a', 'b', and 'c') and a table with four rows (say 1, 2, 3, 4) would have 12 rows.
In practice, if you want to...
how to get an uri of an image resource in android
... @hemanthkumar See this answer as a reference : stackoverflow.com/a/8476930/62921 He explain that there is no drawable folder except on your machine. That's why it uses IDs and that your path.toString() doesn't work.
– ForceMagic
Jul 16 '13 at 15:...
Do SVG docs support custom data- attributes?
... in SVG opening tag, like this: <svg xmlns:mydata="http://www.myexample.com/whatever">
EDIT: SVG2, currently W3C Candidate Recommendation (04 October 2018), will support data- directly (without namespaces, the same as HTML). It will take some time before the support is widespread though. T...
BigDecimal setScale and round
...f you move the decimal point one place to the right, the difference will become clear:
// 1.
new BigDecimal("35.3456").round(new MathContext(4, RoundingMode.HALF_UP));
//result = 35.35
// 2.
new BigDecimal("35.3456").setScale(4, RoundingMode.HALF_UP);
// result = 35.3456
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In Gradle, is there a better way to get Environment Variables?
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Insert a line break in mailto body
...orked for me.
I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Google Chrome on Mac OSX.
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