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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
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141
${...} is the property placeholder syntax. It can only be used to dereference properties.
#{....
Footnotes for tables in LaTeX
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edited Jul 4 '19 at 8:56
0xC0000022L
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Parcelable where/when is describeContents() used?
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181
There is a constant defined in Parcelable called CONTENTS_FILE_DESCRIPTOR which is meant to be...
How to read file contents into a variable in a batch file?
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edited Jun 26 '13 at 22:49
answered Jun 18 '10 at 11:04
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How to embed a video into GitHub README.md?
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127
The "Github Flavored Markdown" doesn't support this kind of feature for any page:
An old suppo...
Print string and variable contents on the same line in R
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310
You can use paste with print
print(paste0("Current working dir: ", wd))
or cat
cat("Current...
How do I find where an exception was thrown in C++?
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// overwrite sigaction with caller's address
array[1] = caller_address;
char ** messages = backtrace_symbols(array, size);
// skip first stack frame (points here)
for (int i = 1; i < size && messages != NULL; ++i) {
std::cerr << "[bt]: (...
What are WSGI and CGI in plain English?
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answered Feb 8 '11 at 4:46
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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I forgot the password I entered during postgres installation
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