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Can I try/catch a warning?

...t a lot of time debugging a problem in a system where someone had written @mysql_query( '...' ) and the problem was that mysql support was not loaded into PHP and it threw a silent fatal error. It will be safe for those things that are part of the PHP core but please use it with care. bob@mypc:~$ p...
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How to show first commit by 'git log'?

... answer was posted.) Explanation Technically, there may be more than one root commit. This happens when multiple previously independent histories are merged together. It is common when a project is integrated via a subtree merge. The git.git repository has six root commits in its history graph (o...
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How to request a random row in SQL?

...andom row from a database table. It goes through methods for doing this in MySQL, PostgreSQL, Microsoft SQL Server, IBM DB2 and Oracle (the following is copied from that link): Select a random row with MySQL: SELECT column FROM table ORDER BY RAND() LIMIT 1 Select a random row with PostgreSQL: ...
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How can I configure Logback to log different levels for a logger to different destinations?

...n</pattern> </encoder> </appender> <root level="INFO"> <appender-ref ref="STDOUT"/> <appender-ref ref="STDERR" /> </root> </configuration> ...
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How to install trusted CA certificate on Android device?

... Prior to Android KitKat you have to root your device to install new certificates. From Android KitKat (4.0) up to Nougat (7.0) it's possible and easy. I was able to install the Charles Web Debbuging Proxy cert on my un-rooted device and successfully sniff SSL ...
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How to check if smtp is working from commandline (Linux) [closed]

... [root@piwik-dev tmp]# mail -v root@localhost Subject: Test Hello world Cc: <Ctrl+D> root@localhost... Connecting to [127.0.0.1] via relay... 220 piwik-dev.example.com ESMTP Sendmail 8.13.8/8.13.8; Thu, 23 Aug 2012 10:4...
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What is the purpose of std::make_pair vs the constructor of std::pair?

... Also note that make_pair works with unnamed types, including structs, unions, lambdas, and other doodads. – Mooing Duck Feb 6 '15 at 22:29 add a comment ...
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Error: “The sandbox is not in sync with the Podfile.lock…” after installing RestKit with cocoapods

... After many attemps I managed to fix this problem. Variable ${PODS_ROOT} was not set and I do below trick. Go to Build Phases -> Check Pods Manifest.lock and replace diff "${PODS_ROOT}/../Podfile.lock" "${PODS_ROOT}/Manifest.lock" > /dev/null to diff "${SRCROOT}/Podfile.lock" "${S...
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ab load testing

...how everything performs together: including complex PHP code, and multiple MySQL queries... For example here is the results of testing a fresh install of Wordpress on the same system and WAMP environment (I'm using WampDeveloper, but there are also Xampp, WampServer, and others)... Requests per se...
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How to configure Ruby on Rails with no database?

...o current need for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database? ...