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Difference between HashMap, LinkedHashMap and TreeMap
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All three classes implement the Map interface and offer mostly the same functionality. The most important difference is the order in which iteration through the entries will happen:
HashMap makes absolutely no guarantees about the iteration order...
Java - sending HTTP parameters via POST method easily
I am successfully using this code to send HTTP requests with some parameters via GET method
17 Answers
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cURL equivalent in Node.js?
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See the documentation for the HTTP module for a full example:
https://nodejs.org/api/http.html#http_http_request_options_callback
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How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
...n the Java code with a newer version of Java JRE or specify the target parameter to the Java compiler to instruct the compiler to create code compatible with earlier Java versions.
For example, in order to generate class files compatible with Java 1.4, use the following command line:
javac -targe...
Efficiently test if a port is open on Linux?
...as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "No one is listening!...
How do I select a merge strategy for a git rebase?
git-rebase man page mentions -X<option> can be passed to git-merge . When/how exactly?
3 Answers
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Strangest language feature
...owever, the lesser known form (which really does work!) is:
10[a]
which means the same as the above.
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edited Jan 3 '10 at 15:57
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Selecting only first-level elements in jquery
How can I select the link elements of only the parent <ul> from a list like this?
10 Answers
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Convert System.Drawing.Color to RGB and Hex Value
... was trying to develop the following two. The way I am doing it may have some problem and need your kind advice. In addition, I dont know whether there is any existing method to do the same.
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Binding to static property
I'm having a hard time binding a simple static string property to a TextBox.
12 Answers
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