大约有 40,000 项符合查询结果（耗时：0.0699秒） [XML]
GitHub: Reopening a merged pull request
...l need to add commits to the branch and create a new pull request, copying all the details over and probably providing a link to the original pull request to manually save the history.
Might be a nice feature request for future GitHub.
...
PHP DateTime::modify adding and subtracting months
...s not a bug:
The current behavior is correct. The following happens internally:
+1 month increases the month number (originally 1) by one. This makes the date 2010-02-31.
The second month (February) only has 28 days in 2010, so PHP auto-corrects this by just continuing to count days from February...
Get the IP address of the remote host
...
This solution also covers Web API self-hosted using Owin. Partially from here.
You can create a private method in you ApiController that will return remote IP address no matter how you host your Web API:
private const string HttpContext = "MS_HttpContext";
private const string Remote...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
...
Tool for comparing 2 binary files in Windows [closed]
...
vBinDiff is really a great tool. thanks
– mustafa
Nov 25 '11 at 17:21
4
...
SQL Server principal “dbo” does not exist,
...
@hurleystylee, your solution actually worked well for me. My DB had an owner btw.
– Keyvan Sadralodabai
Feb 24 '16 at 0:37
...
Comparing boxed Long values 127 and 128
... If the data type of above variable is primitive (long) then code work for all values.
Java caches Integer objects instances from the range -128 to 127. That said:
If you set to N Long variables the value 127 (cached), the same object instance will be pointed by all references. (N variables, 1 i...
What is the difference between concurrency, parallelism and asynchronous methods?
Concurrency is having two tasks run in parallel on separate threads. However, asynchronous methods run in parallel but on the same 1 thread. How is this achieved? Also, what about parallelism?
...
When to use Hadoop, HBase, Hive and Pig?
... too huge.
Coming back to the first part of your question, Hadoop is basically 2 things: a Distributed FileSystem (HDFS) + a Computation or Processing framework (MapReduce). Like all other FS, HDFS also provides us storage, but in a fault tolerant manner with high throughput and lower risk of data ...
Iterate through every file in one directory
...lways include . and .. (the current and parent directories). You will generally not want to work on them, so you can use Dir::each_child or Dir::children (as suggested by ma11hew28) or do something like this:
Dir.foreach('/path/to/dir') do |filename|
next if filename == '.' or filename == '..'
...