大约有 2,000 项符合查询结果（耗时：0.0176秒） [XML]
Change column type from string to float in Pandas
...t wonder what this warning is all about. Any idea?
– orange
Jun 6 '14 at 7:34
2
@orange the warni...
IN clause and placeholders
...this,"whereIdsList: "+ids);
final String whereClause = Tables.Contacts.USER_ID + " IN ("+ids+")";
final ContentValues args = new ContentValues();
args.put(Tables.Contacts.GROUP_ID, groupId);
int numberOfRowsAffected = 0;
SQLiteDatabase db = dbAdapter.getWritableDatabase());
...
Pointers, smart pointers or shared pointers? [duplicate]
...hat it is in charge of deleteing it at some point. They allow you to get a raw reference to the pointer they wrap for passing to other methods, as well as releasing the pointer, allowing someone else to own it. Copying them does not make sense.
Shared pointers is a stack-allocated object that wraps ...
Sending images using Http Post
...<String, String> map = new HashMap<String, String>();
map.put("user_id", String.valueOf(userId));
map.put("action", "update");
url = addQueryParams(map, url);
HttpPost post = new HttpPost(url);
post.addHeader("Accept", "application/json");
MultipartEntityBuilder builder = MultipartEnti...
std::string to char*
...
The answer is bulky, inelegant, non-local, uses raw arrays, and requires attention to exception safety. vector was invented precisely as a wrapper for dynamic arrays, so not using it seems like a missed opportunity at best, and in violation of the spirit of C++ at worst.
...
Receive JSON POST with PHP
...
Use $HTTP_RAW_POST_DATA instead of $_POST.
It will give you POST data as is.
You will be able to decode it using json_decode() later.
share
|
...
How to implement a ViewPager with different Fragments / Layouts
..., any layout-file can be used for the Fragments.
FirstFragment.java has a orange background layout, SecondFragment.java has a green background layout and ThirdFragment.java has a red background layout. Furthermore, each Fragment displays a different text, depending on which class it is from and whi...
req.body empty on posts
...
This worked for me, why wasn't it working with raw encoded though?
– Daniel Kobe
Aug 1 '16 at 1:35
13
...
Windows path in Python
...ty is
'C:\\mydir'
if you have problems with some names you can also try raw string literals:
r'C:\mydir'
however best practice is to use the os.path module functions that always select the correct configuration for your OS:
os.path.join(mydir, myfile)
From python 3.4 you can also use the pa...
Ruby on Rails: how to render a string as HTML?
...;
OR
@str = "<b>Hi</b>"
<%= @str.html_safe %>
Using raw works fine, but all it's doing is converting the string to a string, and then calling html_safe. When I know I have a string, I prefer calling html_safe directly, because it skips an unnecessary step and makes it clearer ...