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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...ec 29 20:12:02.953 [rsStart] replSet can't get local.system.replset config from self or any seed (EMPTYCONFIG)
Sun Dec 29 20:12:02.953 [rsStart] replSet info you may need to run replSetInitiate -- rs.initiate() in the shell -- if that is not already done
5、初始化副本集
在三台机器...
Escaping single quote in PHP when inserting into MySQL [duplicate]
...n (which you should know is a bad idea). This means that strings gathered from $_GET, $_POST and $_COOKIES are escaped for you (i.e., "O'Brien" -> "O\'Brien").
Once you store the data, and subsequently retrieve it again, the string you get back from the database will not be automatically escape...
How do I iterate through the files in a directory in Java?
...le.com/javase/7/docs/api/java/nio/file/DirectoryStream.html
Example taken from the Javadoc:
List<Path> listSourceFiles(Path dir) throws IOException {
List<Path> result = new ArrayList<>();
try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir, "*.{c,h,cpp,h...
jQuery returning “parsererror” for ajax request
Been getting a "parsererror" from jquery for an Ajax request, I have tried changing the POST to a GET, returning the data in a few different ways (creating classes, etc.) but I cant seem to figure out what the problem is.
...
scrollIntoView Scrolls just too far
...croll bar containing table rows with divs in them is dynamically generated from the database. Each table row acts like a link, sort of like you'd see on a YouTube playlist next to the video player.
...
What is “pom” packaging in maven?
...projects, and in projects whose only useful output is an attached artifact from some plugin. In your case, I'd guess that your top-level pom includes <modules>...</modules> to aggregate other directories, and the actual output is the result of one of the other (probably sub-) directories...
How to add a browser tab icon (favicon) for a website?
...hat you don't have to precede icon in rel attribute with shortcut anymore. From MDN Link types:
The shortcut link type is often seen before icon, but this link type is non-conforming, ignored and web authors must not use it anymore.
favicon.ico in the root directory
From another SO answer (by...
How do I rename my Git 'master' branch to 'release'?
...ere you have command line access.
Since trying to delete the remote master from a client indeed is not allowed and I do assume forbidding denyDeleteCurrent makes sense, I would not like to change that setting.
However, I found that the easiest way to rename your master iff you have command line acce...
What are the minimum margins most printers can handle?
... 'full page'. This is a hardware feature and useful when mimicking output from old XES type printers that had a smaller margins or something like an IBM 3812. You can always open Word and set page margins to 0, Word will prompt to fix these, the values it enters are the smallest margins the device...
Convert Enum to String
...e was faster and by decent margin. Internally ToString calls Enum.GetName. From source for .NET 4.0, the essentials:
public override String ToString()
{
return Enum.InternalFormat((RuntimeType)GetType(), GetValue());
}
private static String InternalFormat(RuntimeType eT, Object value)
{
if...