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What happens when a duplicate key is put into a HashMap?
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By definition, the put command replaces the previous value associated with the given key in the map (conceptually like an array indexing operation for primitive types).
The map simply drops its reference to the value. If nothing else holds a refe...
How do I read an entire file into a std::string in C++?
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@sehe: I would expect any halfway-competent C++ coder to readily understand that one-liner. It's pretty tame compared to other stuff being around.
– DevSolar
Sep 21 '12 at 14:36
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Commit only part of a file in Git
When I make changes to a file in Git, how can I commit only some of the changes?
23 Answers
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How to print colored text in Python?
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This somewhat depends on what platform you are on. The most common way to do this is by printing ANSI escape sequences. For a simple example, here's some python code from the blender build scripts:
class bcolors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKGREEN = '\033[92m...
Is there a function to make a copy of a PHP array to another?
...r, it has reference semantics.
Edit: @AndrewLarsson raises a point in the comments below. PHP has a special feature called "references". They are somewhat similar to pointers in languages like C/C++, but not quite the same. If your array contains references, then while the array itself is passed by...
how to make twitter bootstrap submenu to open on the left side?
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FloatActionBtn 扩展：悬浮操作按钮扩展，可自定义颜色、大小、图标和位置 ...
...oatActionBtn
FloatingActionButton
包名
com.kenmor.floatactionbtn
joejsanz.joedevfloatingactionbutton
版本
1.1 (较新)
1.0
文件大小
21.8 KB
13.6 KB (更轻量)
位置设置
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How can I get Git to follow symlinks?
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NOTE: This advice is now out-dated as per comment since Git 1.6.1. Git used to behave this way, and no longer does.
Git by default attempts to store symlinks instead of following them (for compactness, and it's generally what people want).
However, I accidentally...
Center a position:fixed element
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I found that trick in css-tricks.com/…. But when I change the width and height, it's not moving center. Ya, I should change the margin-left and top when change height and width.
– saturngod
Jan 5 '10 at 12:42
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...> Task -> Backup).
Create empty database with new name (clone). Note comments below as this is optional.
Click to clone database and open restore dialog (see image)
Select Device and add the backup file from step 3.
Change destination to test database
Change location of database files, it ...