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Type erasure techniques
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So, in other words the examples I gave in the question? Though, thanks for writing it up like this, especially w.r.t. to the virtual functions and multiple operations on the type-erased data.
– Xeo
M...
How do you specify that a class property is an integer?
...uggesting invalid types, perhaps based on the ECMA 262 list of reserved keywords (which includes "int")
– Josh
Oct 15 '12 at 21:09
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List tables in a PostgreSQL schema
...ole name, unlike the usual interpretation of regular expressions (in other words, $ is automatically appended to your pattern). Write * at the beginning and/or end if you don't wish the pattern to be anchored. Note that within double quotes, all regular expression special characters lose their speci...
What are the differences between Helper and Utility classes?
...kClient.
The way developers refer to tools reflects common usage of these words. If you can recall hearing tools described as "helpful" vs "useful", a helpful tool tends to have some context (cheese grater helps to grate cheese, corn stripper helps to strip corn, speed loader helps to reload a fire...
SVG gradient using CSS
...<paint> which is built around the CSS2 <color> class. In other words, this answer is currently the only way to do it via CSS at the time I am writing this comment. You need to add a linearGradient element. Lastly, going through the w3 Working Draft for SVG2, it appears support for linear...
When and how should I use a ThreadLocal variable?
... the problem with the Java equivalent of a global variable. In a threaded word, the equivalent of a global variable is a thread-local variable.
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Windows batch files: .bat vs .cmd?
...EL regardless of error. .BAT sets ERRORLEVEL
only on errors.
In other words, if ERRORLEVEL is set to non-0 and then you run one of those commands, the resulting ERRORLEVEL will be:
left alone at its non-0 value in a .bat file
reset to 0 in a .cmd file.
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MySQL: Large VARCHAR vs. TEXT?
...input would be?
VARCHAR(X)
Case: user name, email, country, subject, password
TEXT
Case: messages, emails, comments, formatted text, html, code, images, links
MEDIUMTEXT
Case: large json bodies, short to medium length books, csv strings
LONGTEXT
Case: textbooks, programs, years of logs fi...
How do I write stderr to a file while using “tee” with a pipe?
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In other words, you want to pipe stdout into one filter (tee bbb.out) and stderr into another filter (tee ccc.out). There is no standard way to pipe anything other than stdout into another command, but you can work around that by jugg...
About Java cloneable
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I linked Bloch's words (instead of quoting them)
– Bozho
Nov 2 '10 at 20:44
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