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Why does my application spend 24% of its life doing a null check?
... for instructions. Small, allowing it to be close to the execution engine. Reading bytes from the L1 cache typically takes 2 or 3 CPU cycles. Next up is the L2 cache, bigger and slower. Upscale processors also have an L3 cache, bigger and slower yet. As process technology improves, those buffers tak...
How can I echo HTML in PHP?
... run.
If you have any more questions feel free to leave a comment.
Further reading is available on these things in the PHP documentation.
NOTE: PHP short tags <? and ?> are discouraged because they are only available if enabled with short_open_tag php.ini configuration file directive, or if P...
Pickle or json?
...r using cPickle (or pickle) based on your premises over JSON. When I first read your answer I thought the reason might have been speed, but since this is not the case... :)
– mac
Oct 4 '12 at 17:54
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How do I have an enum bound combobox with custom string formatting for enum values?
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You could write an TypeConverter that reads specified attributes to look them up in your resources. Thus you would get multi-language support for display names without much hassle.
Look into the TypeConverter's ConvertFrom/ConvertTo methods, and use reflection t...
val() vs. text() for textarea
...uery, and wondering if I should use val() or text() (or another method) to read and update the content of a textarea.
2 Ans...
How to loop through files matching wildcard in batch file
...le letter - cryptic error messages will appear if you try to use something readable and meaningful.
– Bruce Dawson
Jan 29 '17 at 5:39
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Check existence of directory and create if doesn't exist
...le.path(mainDir, subDir))
dir.create() does not crash if the directory already exists, it just prints out a warning. So if you can live with seeing warnings, there is no problem with just doing this:
dir.create(file.path(mainDir, subDir))
setwd(file.path(mainDir, subDir))
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Fastest way to check if a file exist using standard C++/C++11/C?
...pects of a high performance application require optimization. For example, reading the command line or a config file can be complex and may not require speed, though the application itself may require the performance advantages of C++. Avoiding Boost in such cases constitutes wheel reinvention, high...
Resolving MSB3247 - Found conflicts between different versions of the same dependent assembly
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You just saved me some hours of work! It did help to read through the detailed output, but once I did it was easy to again verify with your tool.
– Norman H
Sep 10 '15 at 20:27
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Why do browsers match CSS selectors from right to left?
...me data at http://groups.google.com/group/mozilla.dev.tech.layout/browse_thread/thread/b185e455a0b3562a/7db34de545c17665 (though the notation is confusing), but the upshot is that for Gmail in particular two years ago, for 70% of the (rule, element) pairs you could decide that the rule does not matc...