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What is RPC framework and Apache Thrift?
...ing on a Windows machine. The code for both server and client is generated from a Thrift IDL file. To get it running, you basically have to add only the intended program logic and put all the pieces together.
The single best reference for Apache Thrift is still the Apache Thrift Whitepaper. Althoug...
What C++ Smart Pointer Implementations are available?
This is a spin-off from a garbage collection thread where what I thought was a simple answer generated a lot of comments about some specific smart pointer implementations so it seemed worth starting a new post.
...
What is an uber jar?
...over).
Hence, in this context, an uber-jar is an "over-jar", one level up from a simple JAR (a), defined as one that contains both your package and all its dependencies in one single JAR file. The name can be thought to come from the same stable as ultrageek, superman, hyperspace, and metadata, whi...
Twitter Bootstrap Customization Best Practices [closed]
... to bootstrap sub-directory. Ensure that your variables.less is referenced from the parent and not the bootstrap directory like so:
...
// CSS Reset
@import "bootstrap/reset.less";
// Core variables and mixins
@import "variables.less"; // Modify this for custom colors, font-sizes, etc
@import "boo...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...knows about that database, but the listener hasn't received a notification from the database that the database is up. (If you were trying to connect to the wrong database, using the wrong SID, you would get an ORA-12154 error "TNS: could not resolve the connect identifier specified".)
What Oracle ...
Why do I need Transaction in Hibernate for read-only operations?
... is DB specific. E.g. MySQL added support for this only in InnoDB starting from 5.6.4 version.
If you're not using JDBC directly, but rather an ORM, that might be problematic. For instance Hibernate community says that working outside of transaction might cause unpredictable behavior. This is becaus...
Difference between var_dump,var_export & print_r
...
var_dump and var_export relate like this (from the manual)
var_export() gets structured
information about the given variable.
It is similar to var_dump() with one
exception: the returned representation
is valid PHP code.
They differ from print_r that va...
MISCONF Redis is configured to save RDB snapshots
...re might be errors during the bgsave process due to low memory. Try this (from redis background save FAQ)
echo 'vm.overcommit_memory = 1' >> /etc/sysctl.conf
sysctl vm.overcommit_memory=1
share
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Upload files with HTTPWebrequest (multipart/form-data)
...DATE: Using .NET 4.5 (or .NET 4.0 by adding the Microsoft.Net.Http package from NuGet) this is possible without external code, extensions, and "low level" HTTP manipulation. Here is an example:
// Perform the equivalent of posting a form with a filename and two files, in HTML:
// <form action="{...
Preloading images with jQuery
...
From my experience, preloading an image into the DOM makes the browser aware of its existence and for it to be properly cached. Otherwise, the image only exists in memory which only works for single page apps.
...