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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...来，开发人员学习成本会大大减少。如果再对底层的sql API做一层封装，开发基本可以感觉不到mongodb和关系型数据库的区别。同样MongoDB也是号称自己能够快速搭建一个高可用可扩展的的分布式集群，网上有很多搭建的文章，在我...
How to find out which JavaScript events fired?
...ts that have already been attached by simply right clicking on the element and then browsing its properties (the panel on the right).
For example:
Right click on the upvote button to the left
Select inspect element
Collapse the styles section (section on the far right - double chevron)
Expand the...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...was removed from the official developer documentation . (See Why doesn't Android use more enums? for the old section content)
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showDialog deprecated. What's the alternative?
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From http://developer.android.com/reference/android/app/Activity.html
public final void showDialog (int id) Added in API level 1
This method was deprecated in API level 13. Use the new DialogFragment
class with FragmentManager instead; ...
Java SafeVarargs annotation, does a standard or best practice exist?
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1) There are many examples on the Internet and on StackOverflow about the particular issue with generics and varargs. Basically, it's when you have a variable number of arguments of a type-parameter type:
<T> void foo(T... args);
In Java, varargs are a syntac...
How do I enter RGB values into Interface Builder?
...
Click on the color slider icon, and then choose "RGB Sliders" from the drop-down list.
You can also use the magnifying-glass as a color picker to pick up an exact color from anywhere on the screen; also see @ken's excellent comment below clarifying how col...
SQL JOIN and different types of JOINs
What is a SQL JOIN and what are different types?
6 Answers
6
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Can a Windows batch file determine its own file name?
...st the filename without the extension.
Write %~n0%~x0 to get the filename and extension.
Also possible to write %~nx0 to get the filename and extension.
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Header files for x86 SIMD intrinsics
...d normally just include <immintrin.h>. It includes everything.
GCC and clang will stop you from using intrinsics for instructions you haven't enabled at compile time (e.g. with -march=native or -mavx2 -mbmi2 -mpopcnt -mfma -mcx16 -mtune=znver1 or whatever.)
MSVC and ICC will let you use int...
Purpose of memory alignment
...ut many language specifiers decided it would be easier just to outlaw them and force everything to be aligned.
There is much more information in this link that the OP discovered.
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