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Do c++11 lambdas capture variables they don't use?
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Each variable expressly named in the capture list is captured. The default capture will only capture variables that are both (a) not expressly named in the capture list and (b) used in the body of the lambda expression. If a variable is n...
Reading a string with scanf
... the less, it's wrong, and it could fail on some platforms. (Hypothetical example: a "debugging" implementation that includes type information with every pointer. I think the C implementation on the Symbolics "Lisp Machines" did something like this.)
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Setting up two different static directories in node.js Express framework
...ing an additional (first) parameter to use() like so:
app.use("/public", express.static(__dirname + "/public"));
app.use("/public2", express.static(__dirname + "/public2"));
That way you get two different directories on the web that mirror your local directories, not one url path that fails over ...
XmlWriter to Write to a String Instead of to a File
I have a WCF service that needs to return a string of XML. But it seems like the writer only wants to build up a file, not a string. I tried:
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How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...---BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA61BjmfXGEvWmegnBGSuS
+rU9soUg2FnODva32D1AqhwdziwHINFaD1MVlcrYG6XRKfkcxnaXGfFDWHLEvNBS
EVCgJjtHAGZIm5GL/KA86KDp/CwDFMSwluowcXwDwoyinmeOY9eKyh6aY72xJh7n
oLBBq1N0bWi1e2i+83txOCg4yV2oVXhBo8pYEJ8LT3el6Smxol3C1oFMVdwPgc0v
Tl25XucMcG/ALE/...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
...seq allows floating-point numbers (e.g., seq .5 .25 3.5) but bash's brace expansion only allows integers.
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Java Synchronized Block for .class
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The snippet synchronized(X.class) uses the class instance as a monitor. As there is only one class instance (the object representing the class metadata at runtime) one thread can be in this block.
With synchronized(this) the block is guarded by the...
How to move certain commits to be based on another branch in git?
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This is a classic case of rebase --onto:
# let's go to current master (X, where quickfix2 should begin)
git checkout master
# replay every commit *after* quickfix1 up to quickfix2 HEAD.
git rebase --onto master quickfix1 quickfix2
So you should go from
o-o-X (master HEAD)
\
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How to plot two histograms together in R?
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Thx for the answer! The 'position="identity"' part is actually important as otherwise the bars are stacked which is misleading when combined with a density that by default seems to be "identity", i.e., overlayed as opposed to s...
What's the best way to iterate over two or more containers simultaneously
C++11 provides multiple ways to iterate over containers. For example:
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