大约有 40,000 项符合查询结果（耗时：0.0493秒） [XML]
Can I list-initialize a vector of move-only type?
...he following code through my GCC 4.7 snapshot, it tries to copy the unique_ptr s into the vector.
5 Answers
...
How to export collection to CSV in MongoDB?
...eOk();var keys = []; for(var key in db.${collectionArray[$i]}.find().sort({_id: -1}).limit(1)[0]) { keys.push(key); }; keys;" --quiet`;
# now use mongoexport with the set of keys to export the collection to csv
mongoexport --host $host -u $user -p $pass -d $dbname -c ${collectionArray[$i]} -...
How to check Oracle database for long running queries
...SQL that is currently "ACTIVE":-
select S.USERNAME, s.sid, s.osuser, t.sql_id, sql_text
from v$sqltext_with_newlines t,V$SESSION s
where t.address =s.sql_address
and t.hash_value = s.sql_hash_value
and s.status = 'ACTIVE'
and s.username <> 'SYSTEM'
order by s.sid,t.piece
/
This shows locks....
Setting a property by reflection with a string value
...http://weblogs.asp.net/pjohnson/archive/2006/02/07/Convert.ChangeType-doesn_2700_t-handle-nullables.aspx
A wrapper was written a few years ago to handle this but that isn't perfect either.
http://weblogs.asp.net/pjohnson/archive/2006/02/07/Convert.ChangeType-doesn_2700_t-handle-nullables.aspx
...
Can I “multiply” a string (in C#)?
...ing this:
public static string Repeat(this string s, int count)
{
var _s = new System.Text.StringBuilder().Insert(0, s, count).ToString();
return _s;
}
I think I pulled that one from Stack Overflow some time ago, so it is not my idea.
...
How to uninstall editable packages with pip (installed with -e)
...tualenv}/lib/python2.7/site-packages/ (if not using virtualenv then {system_dir}/lib/python2.7/dist-packages/)
remove the egg file (e.g. distribute-0.6.34-py2.7.egg) if there is any
from file easy-install.pth, remove the corresponding line (it should be a path to the source directory or of an egg ...
关于我们 · App Inventor 2 中文网，少儿编程陪伴者
...员中心 中文社区 关于 var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNod...
C# HttpClient 4.5 multipart/form-data upload
... string url = "myAddress/myWS/api/Home/SendImage?foto="; await _client.PostAsync(url, requestContent); return "ok"; }
– atapi19
Jan 29 '18 at 14:59
...
Hibernate show real SQL [duplicate]
...logger.org.hibernate.type=TRACE
The first is equivalent to hibernate.show_sql=true, the second prints the bound parameters among other things.
Reference
Hibernate 3.5 Core Documentation
3.5. Logging
Hibernate 4.1 Core Documentation
4.1. Logging
...
Commonly accepted best practices around code organization in JavaScript [closed]
...z describes here helps me a lot.
var DED = (function() {
var private_var;
function private_method()
{
// do stuff here
}
return {
method_1 : function()
{
// do stuff here
},
method_2 : function()
{
...