大约有 1,390 项符合查询结果（耗时：0.0293秒） [XML]
MongoDB/NoSQL: Keeping Document Change History
...list(users.revisions({"username": "darth_later"}))
# [{'_id': ObjectId('5d98c3385d8edadaf0bb845b'),
# 'username': 'darth_later',
# 'email': 'darthlater@example.com',
# '_revision_metadata': None},
# {'_id': ObjectId('5d98c3385d8edadaf0bb845b'),
# 'username': 'darth_later',
# 'email': 'da...
How to use Elasticsearch with MongoDB?
... so it can play with MongoDB.
bin/plugin --install com.github.richardwilly98.elasticsearch/elasticsearch-river-mongodb/1.6.0
bin/plugin --install elasticsearch/elasticsearch-mapper-attachments/1.6.0
These two plugins aren't necessary but they're good for testing queries and visualizing changes to...
The Definitive C++ Book Guide and List
...h to teaching the language.) Despite this, the C++
it teaches is purely C++98. [Review]
Best practices
Effective C++ (Scott Meyers, 3rd Edition - May 22, 2005) This was written with the aim of being the best second book C++ programmers should read, and it succeeded. Earlier editions were aimed a...
Why aren't python nested functions called closures?
...;> inter = outer('I')
>>> inter.func_closure
(<cell at 0x10c989130: str object at 0x10c831b98>,)
>>> inter.func_closure[0].cell_contents
'I'
>>> inn = inter('am')
So, we see that a func_closure property is a tuple of closure cells, we can refer them and their co...
Named colors in matplotlib
... can also plot colors by their HTML hex code:
plt.plot([1,2], lw=4, c='#8f9805')
This is more similar to specifying and RGB tuple rather than a named color (apart from the fact that the hex code is passed as a string), and I will not include an image of the 16 million colors you can choose from.....
What is the effect of extern “C” in C++?
...#include "c.h"
int f(void) { return 1; }
Run:
g++ -c -o main.o -std=c++98 main.cpp
gcc -c -o c.o -std=c89 c.c
g++ -o main.out main.o c.o
./main.out
Without extern "C" the link fails with:
main.cpp:6: undefined reference to `f()'
because g++ expects to find a mangled f, which gcc did not pro...
Get Character value from KeyCode in JavaScript… then trim
...SLEEP", // [95]
"NUMPAD0", // [96]
"NUMPAD1", // [97]
"NUMPAD2", // [98]
"NUMPAD3", // [99]
"NUMPAD4", // [100]
"NUMPAD5", // [101]
"NUMPAD6", // [102]
"NUMPAD7", // [103]
"NUMPAD8", // [104]
"NUMPAD9", // [105]
"MULTIPLY", // [106]
"ADD", // [107]
"SEPARATOR", // [108]
"...
PHP Function Comments
...dited Sep 22 '16 at 10:07
Dennis98
11111 silver badge1010 bronze badges
answered Sep 29 '10 at 15:15
Waqar Ala...
How to read the output from git diff?
...line7
line8
line9
-this line10 to be deleted
line11
line12
line13
@@ -98,3 +97,4 @@ line97
line98
line99
line100
+this is new line100
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Java 8 Streams: multiple filters vs. complex condition
...0, averaged over 100 runs: LongSummaryStatistics{count=100, sum=11117, min=98, average=111.170000, max=238}
one filter with predicate of form u -> exp1 && exp2, list size 10000000, averaged over 100 runs: LongSummaryStatistics{count=100, sum=8346, min=77, average=83.460000, max=113}
one f...