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Where are static methods and static variables stored in Java?
...stance related).
Update for clarification:
Note that only the variables and their technical values (primitives or references) are stored in PermGen space.
If your static variable is a reference to an object that object itself is stored in the normal sections of the heap (young/old generation or...
Git Push into Production (FTP)
... FTP server,
which have changed since the last
upload. This saves time and bandwith.
Even if you play with different
branches, git-ftp.sh knows which files
are different. No ordinary FTP client
can do that.
git-ftp by Edward Z. Yang is a
simple script written in python for
uplo...
C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
C#对象序列化与反序列化CSharp_Serialize_Deserialize二进制序列化：对象序列化之后是二进制形式的，通过BinaryFormatter类来实现的。
SOAP序列化：对象序列化之后的结果符合SOAP协议，也就是可以通过SOAP 协议传输。
XML序列化：对象序...
Android: How to turn screen on and off programmatically?
... the traditional sense. It makes the screen as dim as possible. In the standard platform there is a limit to how dim it can be; if your device is actually allowing the screen to turn completely off, then it is some peculiarity of the implementation of that device and not a behavior you can count o...
Using the rJava package on Win7 64 bit with R
... for Windows x86. On Win 64, the former installs in C:\Program files\Java\ and the latter in C:\Program Files (x86)\Java\ so they do not conflict.
As of Java version 9, support for x86 (win32) has been discontinued. Hence the latest working multi-arch setup is to install both jdk-8u172-windows-i58...
How to split a sequence into two pieces by predicate?
... span.
The first one, partition will put all "true" elements in one list, and the others in the second list.
span will put all elements in one list until an element is "false" (in terms of the predicate). From that point forward, it will put the elements in the second list.
scala> Seq(1,2,3,4)...
How to properly reuse connection to Mongodb across NodeJs application and modules
I've been reading and reading and still am confused on what is the best way to share the same database (MongoDb) connection across whole NodeJs app. As I understand connection should be open when app starts and reused between modules. My current idea of the best way is that server.js (main file wh...
How to specify new GCC path for CMake
...
Do not overwrite CMAKE_C_COMPILER, but export CC (and CXX) before calling cmake:
export CC=/usr/local/bin/gcc
export CXX=/usr/local/bin/g++
cmake /path/to/your/project
make
The export only needs to be done once, the first time you configure the project, then those values ...
How to darken a background using CSS?
...HOLE body. Is there any way I can just make the background-image darker, and not everything else?
8 Answers
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C# List of objects, how do I get the sum of a property
...
And if you need to do it on items that match a specific condition...
double total = myList.Where(item => item.Name == "Eggs").Sum(item => item.Amount);
...