大约有 15,000 项符合查询结果（耗时：0.0261秒） [XML]
拍照时报错求助！ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...刚把主屏幕初始化的所有程序都清空了，这回不报错了{:8_314:}Abi 发表于 2025-04-30 12:30
刚刚把主屏幕初始化的所有程序都清空了，这回不报错了
那可能是初始化中某个代码块导致的报错问题了{:8_368:}
TimeStamp on file name using PowerShell
...g from the output of Get-ChildItem:
Get-ChildItem *.zip | Foreach {
"$($_.DirectoryName)\$($_.BaseName) $(get-date -f yyyy-MM-dd)$($_.extension)"}
share
|
improve this answer
|
...
count(*) vs count(column-name) - which is more correct? [duplicate]
... difference is:
COUNT(*) will count the number of records.
COUNT(column_name) will count the number of records where column_name is not null.
Therefore COUNT(*) is what you should use. If you're using MyISAM and there is no WHERE clause, then the optimiser doesn't even have to look at the tabl...
How do I show a Save As dialog in WPF?
...w : System.Windows.Forms.IWin32Window
{
private readonly System.IntPtr _handle;
public OldWindow(System.IntPtr handle)
{
_handle = handle;
}
System.IntPtr System.Windows.Forms.IWin32Window.Handle
{
get { return _handle; }
}
}
#endregion
Capitalize() is ...
Is “inline” without “static” or “extern” ever useful in C99?
...e behavior is the same as if the call were made to another function, say
__func, with internal linkage. A conforming program must not depend on which function is
called. This is the inline model in the Standard.
A conforming program must not rely on the implementation using the inline defin...
Returning value that was passed into a method
...ful, if you have multiple parameters you can access any/all of them with:
_mock.Setup(x => x.DoSomething(It.IsAny<string>(),It.IsAny<string>(),It.IsAny<string>())
.Returns((string a, string b, string c) => string.Concat(a,b,c));
You always need to reference all the ar...
Return HTTP status code 201 in flask
...
You can read about it here.
return render_template('page.html'), 201
share
|
improve this answer
|
follow
|
...
In log4j, does checking isDebugEnabled before logging improve performance?
... running at log level of INFO or ERROR
– AztecWarrior_25
Mar 10 '18 at 0:51
add a comment
|
...
How to read a large file - line by line?
...object, Python looks up in the list of object methods a special one called __iter__, which tells it what to do. File objects define this special method to return an iterator over the lines. (Roughly.)
– Katriel
Feb 10 '15 at 12:14
...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...
My sphinx.conf
source post_source
{
type = mysql
sql_host = localhost
sql_user = ***
sql_pass = ***
sql_db = ***
sql_port = 3306
sql_query_pre = SET NAMES utf8
# query before fetching rows to index
sql_query =...