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How to use Elasticsearch with MongoDB?
...host" : "127.0.0.1:27017" } ] }
rs.initiate(config)
rs.slaveOk() // allows read operations to run on secondary members.
Now install Elasticsearch. I'm just following this helpful Gist.
Make sure Java is installed.
sudo apt-get install openjdk-7-jre-headless -y
Stick with v1.1.x for now until t...
Is List a subclass of List? Why are Java generics not implicitly polymorphic?
... of dogs. A list of dogs is only a list of animals if you consider it in a read-only sense.
– Jon Skeet
Jan 28 '13 at 19:33
13
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Alternate FizzBuzz Questions [closed]
...
I've been reading you answer for a while and could,'t figure out what was going on, why didn't I like it, the thing is your questions are not fun to code :) (which is ok since this were intended for interviews). There is no real point ...
Difference between scaling horizontally and vertically for databases [closed]
...ata resides on a single node and scaling is done through multi-core i.e. spreading the load between the CPU and RAM resources of that machine.
With horizontal-scaling it is often easier to scale dynamically by adding more machines into the existing pool - Vertical-scaling is often limited to the cap...
converting Java bitmap to byte array
...hout the compression the size difference is dramatic. For theory you could read wikipedia, but for example in my case the compressed result (as per the 1st answer) is 20 MB, the other one (this answer) is 48 MB
– Kirill Starostin
May 21 at 15:33
...
file_put_contents - failed to open stream: Permission denied
...e to create a separate directory for files whose content must be changed.
Reading permissions (4) for a directory means being able to collect all files and directories with their metadata within a directory. Write permissions (2) gives the permission to change the content of the directory. Implying...
How to convert a file into a dictionary?
... flow or by an exception) there file will be automatically closed. You can read more about context-managers in Python here: effbot.org/zone/python-with-statement.htm
– Vlad H
Jan 26 '11 at 11:49
...
Detecting an undefined object property
... it had accidentally been redefined. In modern JavaScript, the property is read-only.
However, in modern JavaScript, "undefined" is not a keyword, and so variables inside functions can be named "undefined" and shadow the global property.
If you are worried about this (unlikely) edge case, you can...
Format output string, right alignment
...
Note how the "old" syntax is cleaner, easier to read, and shorter.
– fyngyrz
Dec 13 '15 at 18:01
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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
... , MAX_PATH);
dumpPath.append(index);
//opening mass storage for reading
//requires administrator privilege
HANDLE hDump( ::Create File (
dumpPath.c_str(),
GENERIC_READ,
FILE _SHARE_READ | FILE _SHARE_WRITE,
NULL,
OPEN_EXISTING,
...