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bundle install returns “Could not locate Gemfile”
...o the gemfile in the same command e.g.
BUNDLE_GEMFILE="MyProject/Gemfile.ios" bundle install
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How do I do a HTTP GET in Java? [duplicate]
...you want to stream any webpage, you can use the method below.
import java.io.*;
import java.net.*;
public class c {
public static String getHTML(String urlToRead) throws Exception {
StringBuilder result = new StringBuilder();
URL url = new URL(urlToRead);
HttpURLConnection co...
How to store printStackTrace into a string [duplicate]
...eturn errors.toString();
Ought to be what you need.
Relevant documentation:
StringWriter
PrintWriter
Throwable
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Convert JSON String to JSON Object c#
...json = JObject.Parse(str);
You might want to refer to Json.NET documentation.
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Check if a class is derived from a generic class
...;& j == 0) { j=0; } Am I getting my reference equals and value equals mixed up? I thought there was only one instance of each Type in memory, so two variables that point to the same type are in fact pointing to the same location in memory.
– Michael Blackburn
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Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...机会。
4、各种连接
比如数据库连接（dataSourse.getConnection()），网络连接(socket)和io连接，除非其显式的调用了其close（）方法将其连接关闭，否则是不会自动被GC 回收的。对于Resultset 和Statement 对象可以不进行显式回收，但Conne...
How do SO_REUSEADDR and SO_REUSEPORT differ?
The man pages and programmer documentations for the socket options SO_REUSEADDR and SO_REUSEPORT are different for different operating systems and often highly confusing. Some operating systems don't even have the option SO_REUSEPORT . The WEB is full of contradicting information regarding th...
Is there a way to remove the separator line from a UITableView?
...de. This is done automatically in grouped, but this also changes the dimensions of the table in a way that is hard to measure. I have set the seperator line color to colorClear. But this does not completely solve the problem.
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Why can't I initialize non-const static member or static array in class?
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I think it's to prevent you from mixing declarations and definitions. (Think about the problems that could occur if you include the file in multiple places.)
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Redis strings vs Redis hashes to represent JSON: efficiency?
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It depends on how you access the data:
Go for Option 1:
If you use most of the fields on most of your accesses.
If there is variance on possible keys
Go for Option 2:
If you use just single fields on most of your accesses.
If you always know which fields are available...