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How to debug Lock wait timeout exceeded on MySQL?
In my production error logs I occasionally see:
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Looking for a clear definition of what a “tokenizer”, “parser” and...
I am looking for a clear definition of what a "tokenizer", "parser" and "lexer" are and how they are related to each other (e.g., does a parser use a tokenizer or vice versa)? I need to create a program will go through c/h source files to extract data declaration and definitions.
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Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
Can somebody explain what is REST and what is SOAP in plain english? And how Web Services work?
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How to update Python?
I have version 2.7 installed from early 2012. I can't find any consensus on whether I should completely uninstall and wipe this version before putting on the latest version.
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How to prevent Browser cache for php site
I have a php site running in cloud server.When ever i add new files css, js or images the browser is loading the same old js, css and image files stored in cache.
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Java HTTPS client certificate authentication
I'm fairly new to HTTPS/SSL/TLS and I'm a bit confused over what exactly the clients are supposed to present when authenticating with certificates.
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How can I declare and use Boolean variables in a shell script?
I tried to declare a Boolean variable in a shell script using the following syntax:
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Is there a difference between copy initialization and direct initialization?
Suppose I have this function:
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What are the disadvantages of using persistent connection in PDO
In PDO, a connection can be made persistent using the PDO::ATTR_PERSISTENT attribute. According to the php manual -
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How to create a self-signed certificate with OpenSSL
I'm adding HTTPS support to an embedded Linux device. I have tried to generate a self-signed certificate with these steps:
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