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How to check if field is null or empty in MySQL?
I am trying to figure out how to check if a field is NULL or empty . I have this:
7 Answers
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GOTO still considered harmful? [closed]
Everyone is aware of Dijkstra's Letters to the editor: go to statement considered harmful (also here .html transcript and here .pdf) and there has been a formidable push since that time to eschew the goto statement whenever possible. While it's possible to use goto to produce unmaintainable, s...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
libevent对比libev的基准测试libev_libevent_bench本文档简要描述了针对 libevent 和 libev 运行 libevent 基准程序的结果。Libevent 概述Libevent（于 2000-11-14 首次发布）是一个高性能事件循环，支持简单的 API、两 Google翻译自：http://libev.schmorp....
Grep only the first match and stop
I'm searching a directory recursively using grep with the following arguments hoping to only return the first match. Unfortunately, it returns more than one -- in-fact two the last time I looked. It seems like I have too many arguments, especially without getting the desired outcome. :-/
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C# - How to get Program Files (x86) on Windows 64 bit
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The function below will return the x86 Program Files directory in all of these three Windows configurations:
32 bit Windows
32 bit program running on 64 bit Windows
64 bit program running on 64 bit windows
static strin...
Hidden Features of VB.NET?
I have learned quite a bit browsing through Hidden Features
of C# and was surprised when I couldn't find something
similar for VB.NET.
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Automatically add all files in a folder to a target using CMake?
I am considering switching a cross platform project from separate build management systems in Visual C++, XCode and makefiles to CMake.
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How to jump directly to a column number in Vim
...ave to do the exciting job of wading through minified javascript code. The lines are upto 600 columns wide. The exception reporting library is kind enough to provide me the exact crash coordinates in the form of line number and column number. However I can't find a way to directly jump to the column...
Test if a command outputs an empty string
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Python strptime() and timezones?
I have a CSV dumpfile from a Blackberry IPD backup, created using IPDDump.
The date/time strings in here look something like this
(where EST is an Australian time-zone):
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