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How can I specify a branch/tag when adding a Git submodule?
...hich commit their submodule directory points to. git submodule update actually merges in the new code.
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Difference between String replace() and replaceAll()
What's the difference between java.lang.String 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
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How do I join two SQLite tables in my Android application?
I have an Android project that has a database with two tables: tbl_question and tbl_alternative .
4 Answers
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git: abort commit in the middle of typing message
...he commit message into one of vim's buffers.
It's worth noting that you really don't have to do this at all: commit --amend lets you alter the commit after it's made, so the easy solution is to produce the commit with what you've got and then fix it before pushing. You can even just finish the comm...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...序本身的程序特性进行优化， 比如使用引用计数std::shared_ptr，apache的内存池方式等等。
当然应用程序也可以直接使用系统调用从内核分配内存，自己根据程序特性来维护内存，但是会大大增加开发成本。
本文主要介绍了glibc...
Why shouldn't `'` be used to escape single quotes?
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@Richardakacyberkiwi Read the question all the way to the end.
– ColBeseder
Aug 29 '12 at 8:38
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Proper Repository Pattern Design in PHP?
...te a complete example of a basic controller for viewing and editing Users.
All code must be fully testable and mockable.
The controller should have no idea where the data is stored (meaning it can be changed).
Example to show a SQL implementation (most common).
For maximum performance, controllers s...
Best practices with STDIN in Ruby?
...ARGF is your friend when it comes to input; it is a virtual file that gets all input from named files or all from STDIN.
ARGF.each_with_index do |line, idx|
print ARGF.filename, ":", idx, ";", line
end
# print all the lines in every file passed via command line that contains login
ARGF.each do...
Generate a random number in the range 1 - 10
... in: ERROR: operator does not exist: date + double precision Does trunc really return integers?
– Bogdan Gusiev
Jan 26 '10 at 12:44
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What are the use(s) for tags in Go?
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A tag for a field allows you to attach meta-information to the field which can be acquired using reflection. Usually it is used to provide transformation info on how a struct field is encoded to or decoded from another format (or stored/retrie...