大约有 40,000 项符合查询结果（耗时：0.0495秒） [XML]
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
...y to stay inside the Mono VM most of the time, we do not know how Mono actually accesses the disk.
It is also telling that our C# code uses SQLite.NET (https://github.com/praeclarum/sqlite-net). Identical fetches using the SQLite.NET code are also 2x slower than using Android's Java SQLite wrapper....
In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without
I'm using Eclipse for Java development. All my sources compile fine and the resulting application compiles fine. However, I keep getting an "red-x" error notification in the Package Explorer.
...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
... I adapted example 4 with SubMatches for treating more complex regex, basically I don't use replace when splitting, if anyone is interested: stackoverflow.com/questions/30218413/…
– Armfoot
May 13 '15 at 14:58
...
Basic http file downloading and saving to disk in python?
...URLopener is deprecated.
And when used you will get error as below:
url_opener = urllib.URLopener() AttributeError: module 'urllib' has no
attribute 'URLopener'
So, try:
import urllib.request
urllib.request.urlretrieve(url, filename)
...
How to return 2 values from a Java method?
...esperJesper
179k4141 gold badges290290 silver badges325325 bronze badges
1
...
How to initialize std::vector from C-style array?
...
Don't forget that you can treat pointers as iterators:
w_.assign(w, w + len);
share
|
improve this answer
|
follow
|
...
What is the use of having destructor as private?
...e connection being open or a file being written. You could have a "request_delete" method in the class or the manager that will check that condition and it will either delete or decline, and return a status telling you what it did. That's far more flexible that just calling "delete".
...
When using a Settings.settings file in .NET, where is the config actually stored?
When using a Settings.settings file in .NET, where is the config actually stored?
I want to delete the saved settings to go back to the default state, but can't find where it's stored... any ideas?
...
Split comma-separated strings in a column into separate rows
...solution,
and two additional variants of Jaap's data.table methods.
Overall 8 different methods were benchmarked on 6 different sizes of data frames using the microbenchmark package (see code below).
The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20...
Ruby capitalize every word first letter
... @macsplean the &:method syntax in map is a concise way to call a method on each item in the array. You can then call join to turn that array into a string. The * ' ' is an alternative way to call join. You can think of it as multiplying the items in the array together to create a str...