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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column

... Yeah, looks like for Mysql, the JOIN is considered part of the 'table_references' part of a query. MySQL Join – AWP Jan 25 '19 at 20:15 add a comment  ...
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Difference between -pthread and -lpthread while compiling

...nopthread.txt $ diff dm.pthread.txt dm.nopthread.txt 152d151 < #define _REENTRANT 1 208d206 < #define __USE_REENTRANT 1 Using the -lpthread option only causes the pthread library to be linked - the pre-defined macros don't get defined. Bottom line: you should use the -pthread option. No...
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How can I create download link in HTML?

... download, use <a href="http://example.com/files/myfile.pdf" target="_blank">Download</a> the target=_blank will make a new browser window appear before the download starts. That window will usually be closed when the browser discovers that the resource is a file download. Note tha...
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Is there any sed like utility for cmd.exe? [closed]

...ershell saved me. For grep there is: get-content somefile.txt | where { $_ -match "expression"} or select-string somefile.txt -pattern "expression" and for sed there is: get-content somefile.txt | %{$_ -replace "expression","replace"} For more detail see Zain Naboulsis blog entry. ...
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Is there a way to use SVG as content in a pseudo element :before or :after

... <div class="author_">Lord Byron</div> .author_ { font-family: 'Playfair Display', serif; font-size: 1.25em; font-weight: 700;letter-spacing: 0.25em; font-style: italic; position:relative; margin-top: -0.5em; color: bla...
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values

... operator. if ((unsigned)(number-lower) <= (upper-lower)) in_range(number); With a typical, modern computer (i.e., anything using twos complement), the conversion to unsigned is really a nop -- just a change in how the same bits are viewed. Note that in a typical case, you can pre-...
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Passing variable arguments to another function that accepts a variable argument list

... You can't do it directly; you have to create a function that takes a va_list: #include <stdarg.h> static void exampleV(int b, va_list args); void exampleA(int a, int b, ...) // Renamed for consistency { va_list args; do_something(a); // Use argument a somehow ...
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How to embed a text file in a .NET assembly?

...avan's answer, to get the current assembly (in general section): Assembly _assembly; GetManifestResourceStream(fileName)(in code, where the read from resource is required): try { _assembly = Assembly.GetExecutingAssembly(); _textStreamReader = new StreamReader(_assembly.GetManifestResour...
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Multi-Line Comments in Ruby?

...nd, who does this." puts "Hello world!" ## # most # people # do # this __END__ But all forgot there is another option. Only at the end of a file, of course. This is how it looks (via screenshot) - otherwise it's hard to interpret how the above comments will look. Click to Zoom-in: ...
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How do I convert this list of dictionaries to a csv file?

... keys = toCSV[0].keys() with open('people.csv', 'w', newline='') as output_file: dict_writer = csv.DictWriter(output_file, keys) dict_writer.writeheader() dict_writer.writerows(toCSV) EDIT: My prior solution doesn't handle the order. As noted by Wilduck, DictWriter is more appropriate...