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__FILE__, __LINE__, and __FUNCTION__ usage in C++
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In rare cases, it can be useful to change the line that is given by __LINE__ to something else. I've seen GNU configure does that for some tests to report appropriate line numbers after it inserted some voodoo between lines that do not appear in original source files. For example:
#line 1...
Django - what is the difference between render(), render_to_response() and direct_to_template()?
...the template gets this extended context. What variables are added is given by TEMPLATE_CONTEXT_PROCESSORS in settings.py. For instance django.contrib.auth.context_processors.auth adds variable user and variable perm which are then accessible in the template.
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Chrome Dev Tools - Modify javascript and reload
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This is a bit of a work around, but one way you can achieve this is by adding a breakpoint at the start of the javascript file or block you want to manipulate.
Then when you reload, the debugger will pause on that breakpoint, and you can make any changes you want to the source, save the file...
jquery-ui-dialog - How to hook into dialog close event
...have overlay twice. That isn't nessesary right?
– radbyx
Oct 28 '15 at 10:15
1
This works and is ...
What is “lifting” in Haskell?
...ematical concept (although I expect someone around here will now refute me by showing how lifts are a category or something).
Typically you have some data type with a parameter. Something like
data Foo a = Foo { ...stuff here ...}
Suppose you find that a lot of uses of Foo take numeric types (I...
Rails params explained?
...a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://www.example.com/?vote[item_id]=1&vote[user_id]=2
then params[:vote] would be a ha...
Proper package naming for testing with the Go language
... imageUploader: {
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How to refer environment variable in POM.xml?
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Also, make sure that your environment variable is composed only by UPPER CASE LETTERS.... I don't know why (the documentation doesn't say nothing explicit about it, at least the link provided by @Andrew White), but if the variable is a lower case word (e.g. env.dummy), the variable always...
Git: Show all of the various changes to a single line in a specified file over the entire git histor
... imageUploader: {
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Recent file history in Vim?
...ldfiles. One can do this interactively using :browse command, as explained by @sarnold but it's also possible to do this manually by using :e #<N where N is a number from the oldfiles list.
– Krzysztof Adamski
Apr 14 '14 at 21:08
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