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How to automatically generate a stacktrace when my program crashes
...tput, which glibc can use to make a nice stacktrace:
$ gcc -g -rdynamic ./test.c -o test
Executing this gets you this output:
$ ./test
Error: signal 11:
./test(handler+0x19)[0x400911]
/lib64/tls/libc.so.6[0x3a9b92e380]
./test(baz+0x14)[0x400962]
./test(bar+0xe)[0x400983]
./test(foo+0xe)[0x400993...
How to test if parameters exist in rails
I'm using an IF statement in Ruby on Rails to try and test if request parameters are set. Regardless of whether or not both parameters are set, the first part of the following if block gets triggered. How can I make this part ONLY get triggered if both params[:one] and params[:two] is set?
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jquery data selector
...ailable operators in the code below. Amongst them is ~= which allows regex testing:
$('a:data(category~=^mus..$,artist.name~=^M.+a$)');
I've tested it with a few variations and it seems to work quite well. I'll probably add this as a Github repo soon (with a full test suite), so keep a look out!
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Creating a textarea with auto-resize
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With all textarea's (multiline textbox's) site wide.
With Firefox (v31-67 tested).
With Chrome (v37-74 tested).
With IE (v9-v11 tested).
With Edge (v14-v18 tested).
With IOS Safari.
With Android Browser.
With JavaScript strict mode.
Is w3c validated.
And is streamlined and efficient.
OPTION 1 (Wi...
xpath find if node exists
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<xsl:if test="xpath-expression">...</xsl:if>
so for example
<xsl:if test="/html/body">body node exists</xsl:if>
<xsl:if test="not(/html/body)">body node missing</xsl:if>
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Google Chrome redirecting localhost to https
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So to fix this issue now and to avoid this happening again in the future .test is one recommended domain because it is reserved by IETF for testing / dev purposes. You should also be able to use .localhost for local dev.
sh...
How can I link to a specific glibc version?
...provided by glibc. This is mentioned at: https://sourceware.org/glibc/wiki/Testing/Builds?action=recall&rev=21#Compile_against_glibc_in_an_installed_location Those objects do early setup that glibc relies on, so I wouldn't be surprised if things crashed in wonderful and awesomely subtle ways.
F...
Mocking member variables of a class using Mockito
I am a newbie to development and to unit tests in particular .
I guess my requirement is pretty simple, but I am keen to know others thoughts on this.
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How to get a string after a specific substring?
...ajii's. Other than that, I think @arshajii's is the best for being the fastest -- it does not create any unnecessary copies/substrings.
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How to do case insensitive string comparison?
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With the help of regular expression also we can achieve.
(/keyword/i).test(source)
/i is for ignore case. If not necessary we can ignore and test for NOT case sensitive match like
(/keyword/).test(source)
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