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boost::flat_map and its performance compared to map and unordered_map
...e, because your cache will not be warm, and your operation will likely be called just once. Therefore you need to benchmark using RDTSC, and time stuff calling them once only.
Intel has made a paper describing how to use RDTSC (using a cpuid instruction to flush the pipeline, and calling it at least...
Python None comparison: should I use “is” or ==?
...ject None, so when you do my_var is None, you're checking whether they actually are the same object (not just equivalent objects)
In other words, == is a check for equivalence (which is defined from object to object) whereas is checks for object identity:
lst = [1,2,3]
lst == lst[:] # This is Tr...
Disable click outside of bootstrap modal area to close modal
...losing with Esc button (if you want this too)
})
See this answer too: Disallow twitter bootstrap modal window from closing
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Xcode 6 how to enable storyboard zoom?
....
Alternatively: Right click blank space on canvas and choose zoom level (allows to zoom out further than double click)
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“fatal: Not a git repository (or any of the parent directories)” from git status
...
You have to actually cd into the directory first:
$ git clone git://cfdem.git.sourceforge.net/gitroot/cfdem/liggghts
Cloning into 'liggghts'...
remote: Counting objects: 3005, done.
remote: Compressing objects: 100% (2141/2141), done.
remot...
using gitlab token to clone without authentication
...stead of the password (the token needs to have "api" scope for clone to be allowed):
git clone https://username:token@gitlab.com/user/repo.git
Tested against 11.0.0-ee.
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Int or Number DataType for DataAnnotation validation attribute
On my MVC3 project, I store score prediction for football/soccer/hockey/... sport game. So one of properties of my prediction class looks like this:
...
How to use WHERE IN with Doctrine 2
...$qb->expr()->in() is indeed in DBAL
– JamesHalsall
Nov 9 '15 at 10:38
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SQL: capitalize first letter only [duplicate]
...(@string,@Index, 1))
SET
@Index = @Index +1--increase the index
END
ELSE-- all others
BEGIN
-- make the letter simple
SET
@ResultString = @ResultString + LOWER(SUBSTRING(@string,@Index, 1))
SET
@Index = @Index +1--incerase the index
END
END--END of the loop
IF (@@ERROR
<> 0)-- any error occur...
NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...code\Plugins"
echo off
Q 桌面快捷方式，示例
在section "install"中添加下面的代码，新建shortcut
CreateShortcut "$DESKTOP\${APPNAME}.lnk" "$INSTDIR\${APPEXENAME}"
在section "uninstall"中添加下面的代码，删除shortcut
delete "$DESKTOP\${APPNAME}.lnk"
Q 关...