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How to check if the user can go back in browser history or not
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Does not work if a window was opened with target="_blank" to force a new window. The back button on the browser won't work, but there will be a document.referrer
– Mike_K
Mar 26 '13 at 15:54
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Android custom dropdown/popup menu
...To create a popup menu in android with Java:
Create a layout file activity_main.xml under res/layout directory which contains only one button.
Filename: activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/to...
How do I force files to open in the browser instead of downloading (PDF)?
... that gives the file path, that we open in new tab using:window.open(url, '_blank').focus();
– Kailas
Dec 17 '14 at 12:21
3
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How to set data attributes in HTML elements
...nd 'handle', and also reserves any data name starting with an underscore ('_') for internal use.
It should be noted that jQuery's data() doesn't change the data attribute in HTML.
So, if you need to change the data attribute in HTML, you should use .attr() instead.
HTML
<div id="outer">
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Add table row in jQuery
...ows, there will be no tbody unless you have specified one yourself.
DaRKoN_ suggests appending to the tbody rather than adding content after the last tr. This gets around the issue of having no rows, but still isn't bulletproof as you could theoretically have multiple tbody elements and the row wou...
You can't specify target table for update in FROM clause
... absolutely fine. DELETE FROM t WHERE tableID NOT IN (SELECT viewID FROM t_view); Also I recommend running OPTIMIZE TABLE t; afterwards to reduce the size of the table.
– CodeX
Oct 13 '16 at 11:36
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How does the vim “write with sudo” trick work?
Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo:
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What is std::move(), and when should it be used?
...ct, leaving the moved object in an moved from state, therefore not copying all the data. This would be C++-valid.
Try googling for move semantics, rvalue, perfect forwarding.
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How to “log in” to a website using Python's Requests module?
...xt is closed after use.
with requests.Session() as s:
p = s.post('LOGIN_URL', data=payload)
# print the html returned or something more intelligent to see if it's a successful login page.
print p.text
# An authorised request.
r = s.get('A protected web page url')
print r.tex...
How do I create a parameterized SQL query? Why Should I?
...= @Baz"
Using cn As New SqlConnection("Your connection string here"), _
cmd As New SqlCommand(sql, cn)
cmd.Parameters.Add("@Baz", SqlDbType.VarChar, 50).Value = Baz
Return cmd.ExecuteScalar().ToString()
End Using
End Function
Stored procedures are sometimes credit...