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When is std::weak_ptr useful?
...ain a list of weak pointers and do its own list cleanup. It saves a little bit of effort explicitly removing observers when they are deleted, and more significantly you don't have to have information about the subjects available when destroying observers which generally simplifies things a lot.
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How to install a gem or update RubyGems if it fails with a permissions error
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– Inder Kumar Rathore
Aug 22 '17 at 10:42
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Set transparent background using ImageMagick and commandline prompt
...ity -composite -shave 1 outputfilename.png
Explanation
This is rather a bit longer than the simple answers previously given,
but it gives much better results: (1) The quality is superior due
to antialiased alpha, and (2) only the background is removed as
opposed to a single color. ("Background" i...
How to get past the login page with Wget?
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9999years
1,1351010 silver badges1313 bronze badges
answered Sep 16 '09 at 10:25
jarnoanjarnoan
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ASP.NET MVC 3: Override “name” attribute with TextBoxFor
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a little bit "unpretty"=), try:
@Html.TextBoxFor(x => x.Data).ToString().Replace("Data", "NewData")
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dropping infinite values from dataframes in pandas?
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answered Aug 17 '17 at 23:10
ayhanayhan
51.5k1010 gold badges128128 silver badges155155 bronze badges
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...the parts of the page that contain messages. For this purpose I click an arbitrary number of page on the bottom:
And I observe the HTTP request that is responsible for message body:
After finish, I analyze the headers of the request (I must quote that this URL I'll extract from source page fro...
New Line on PHP CLI
... you generate a something on linux but want to read it on a Mac-system, or Win-system. If you don't know the target system, or it can change (--> somebody forwards a mail with a generated file as attachment), use \n
– KingCrunch
Sep 12 '14 at 12:15
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Sending multipart/formdata with jQuery.ajax
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Just wanted to add a bit to Raphael's great answer. Here's how to get PHP to produce the same $_FILES, regardless of whether you use JavaScript to submit.
HTML form:
<form enctype="multipart/form-data" action="/test.php"
method="post" class...
What does the keyword Set actually do in VBA?
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10
No quite the same, no. But close enough for me to understand the concept.
– Treb
Dec 8 '08 at 15:09
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