大约有 25,300 项符合查询结果（耗时：0.0382秒） [XML]
Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
...rmattable)10 : null // #1B or GetBoolValue() ? 10 : (IFormattable)null // #2B will be OK. This possibility may be a reason why they don't make the nullable-wrapping automatic. Because both wrapping and boxing are normally implicit conversions. That is both int? variable = 10; and IFormattable variab...
What is a “cache-friendly” code?
...etching, pipelines and concurrency. For instance, modern CPUs spend around 85% of die on caches and up to 99% for storing/moving data!
There is quite a lot to be said on the subject. Here are a few great references about caches, memory hierarchies and proper programming:
Agner Fog's page. In his ex...
Enable remote connections for SQL Server Express 2012
...y be blocked by the WINDOWS VM firewall. Thanks.+1
– 2b77bee6-5445-4c77-b1eb-4df3e5
Git: See my last commit
...e guts
An example of the output being:
commit fkh889hiuhb069e44254b4925d2b580a602
Author: Kylo Ren <Kylo@darkside.empire.gov>
Date: Sat May 4 16:50:32 2168 -0700
Changed shield frequencies to prevent Millennium Falcon landing
www/controllers/landing_ba_controller.js
www/c...
Why does Java switch on contiguous ints appear to run faster with added cases?
...00000024f0171: cmp edx,0x3
0x00000000024f0174: jg 0x00000000024f01a5
0x00000000024f0176: cmp edx,0x1
0x00000000024f0179: je 0x00000000024f019b
0x00000000024f017b: cmp edx,0x1
0x00000000024f017e: jg 0x00000000024f0191
0x00000000024f0180: test edx,edx
0x00000000024...
How to get the number of characters in a std::string?
...ays we can talk about the length of this string:
95 bytes
00000000: 5acd a5cd accc becd 89cc b3cc ba61 cc92 Z............a..
00000010: cc92 cd8c cc8b cdaa ccb4 cd95 ccb2 6ccd ..............l.
00000020: a4cc 80cc 9acc 88cd 9ccc a8cd 8ecc b0cc ................
00000030: 98cd 89cc 9f67 cc92 cd9d c...
How to move one word left in the vi editor
...
Yes, you can use "b" to backforward a word, and in advance, "2b" to move back two words.
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Long vs Integer, long vs int, what to use and when?
...ial/java/nutsandbolts/datatypes.html
byte, char .. 1B .. 8b
short int .. 2B .. 16b
int .. .. .. .. 4B .. 32b
long int .. 8B .. 64b
C .. just mess: https://en.wikipedia.org/wiki/C_data_types
short .. .. 16b
int .. .. .. 16b ... wtf?!?!
long .. .. 32b
long long .. 64b .. mess! :-/
...
What is %2C in a URL?
...I | 69 | i |
| 0A | LF | 2A | * | 4A | J | 6A | j |
| 0B | VT | 2B | + | 4B | K | 6B | k |
| 0C | FF | 2C | , | 4C | L | 6C | l |
| 0D | CR | 2D | - | 4D | M | 6D | m |
| 0E | SO | 2E | . | 4E | N | 6E | n |
| 0F | SI | 2F | / | 4F | O | 6F | o |
| 10 | D...
What are the differences between json and simplejson Python modules?
...version': 'v1.0.3286', 'message': 'Successful Parse', 'muuid1': '11e2-8414-a5e9e0fd-95a6-12313913cc26', 'api_reply': {"api_reply": {"Money": {"Currency": "ILS", "Amount": "123", "Restriction": "Less"}, "ProcessedText": "ny monday for less than \\u20aa123", "Locations": [{"Index": 0, "Derived From": ...