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How do I check if a Sql server string is null or empty

... @irfandar - Well, if you want to treat a string with all spaces as empty, go ahead use trim. Otherwise a string with all spaces is not empty. – Martin Ba Sep 2 '13 at 12:13 ...
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Why are functions and methods in PHP case-insensitive?

...ent little CGI programs written in C before I got sick of it, and combined all of them into a single C library. I then wrote a very simple parser that would pick tags out of HTML files and replace them with the output of the corresponding functions in the C library. The simple parser slowly grew to ...
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Is it possible to set a number to NaN or infinity?

...question over a second time!! Sorry! That said, it wouldn't hurt to say so all the same because it's an easy trap to fall into, NaN != NaN – David Heffernan Mar 25 '11 at 22:30 ...
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Data Modeling with Kafka? Topics and Partitions

... When structuring your data for Kafka it really depends on how it´s meant to be consumed. In my mind, a topic is a grouping of messages of a similar type that will be consumed by the same type of consumer so in the example above, I would just have a single topic and...
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Replacements for switch statement in Python?

...erformance is an issue, so it doesn't re-build the dict on every function call – Claudiu Oct 23 '08 at 16:22 56 ...
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git replace local version with remote version

...ex directly use git read-tree remote/branch:subdir/ You can then (optionally) update your working copy by doing git checkout-index -u --force share | improve this answer | ...
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Deploying my application at the root in Tomcat

... @Dejel - Nothing technically. I've done it quite a bit myself; it gets the job done. Just feels a bit wonky to have to rename your own war file to something that's kind of an implementation detail of the container. – Rob Hruska...
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git difftool, open all diff files immediately, not in serial

... This feature works well with Meld 3.14.2 for example, and lets you browse all modified files: git difftool --dir-diff --tool=meld HEAD~ HEAD This is a handy Bash function: git-diff-meld() ( git difftool --dir-diff --tool=meld "${1:-HEAD~}" "${2:-HEAD}" ) The answer that follows applies to g...
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Getting output of system() calls in Ruby

If I call a command using Kernel#system in Ruby, how do I get its output? 15 Answers ...
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How to change Git log date formats

... typing this every time, try git config log.date iso Or, for effect on all your git usage with this account git config --global log.date iso share | improve this answer | ...