大约有 40,000 项符合查询结果(耗时:0.0477秒) [XML]
How to delete an object by id with entity framework
...ich has been inactive for 2 years
ctx.Users.Where(x => x.LastLoginDate < DateTime.Now.AddYears(-2))
.Delete();
It is also useful for bulk deletes.
share
|
improve this answer
|...
eclipse won't start - no java virtual machine was found
...rg/FAQ_How_do_I_run_Eclipse%3F#Find_the_JVM
Note : Eclipse DOES NOT consult the JAVA_HOME environment variable.
share
|
improve this answer
|
follow
|
...
What does int argc, char *argv[] mean?
... to process command line arguments.
Try the following program:
#include <iostream>
int main(int argc, char** argv) {
std::cout << "Have " << argc << " arguments:" << std::endl;
for (int i = 0; i < argc; ++i) {
std::cout << argv[i] << st...
Show pop-ups the most elegant way
...en such a rule can (or even should!) be broken. I believe that modals / tooltips and the like are exception to the rule. In short: one need to know rules but also understand the context where those apply / not apply.
– pkozlowski.opensource
Aug 18 '14 at 10:38
...
How to remove illegal characters from path and filenames?
...an actually do this with Linq like this though: var invalid = new HashSet<char>(Path.GetInvalidPathChars()); return new string(originalString.Where(s => !invalid.Contains(s)).ToArray()). Performance probably isn't great but that probably doesn't matter.
– Casey
...
How to send emails from my Android application?
...ntent.ACTION_SENDTO); i.setType("message/rfc822"); i.setData(Uri.parse("mailto:"));
– Edris
Oct 7 '15 at 13:41
...
How to delete a word and go into insert mode in Vim?
... reminded by jinxed_coders comment. My old customization implements "(a) <>" commands as "(o)uter <>" commands.
– Kaali
Sep 7 '09 at 4:34
19
...
MySQL Select Date Equal to Today
...mysql select statement where it looks at today's date and only returns results that signed up on that current day. I've currently tried the following, but it doesn't seem to work.
...
Better explanation of when to use Imports/Depends
...ld be used for any supporting package whose functions are to be placed in <imports:packageName> (searched immediately after <namespace:packageName>), instead of on the regular search path. If either one of the packages in the example above used the "Imports" mechanism (which also require...
Regular expression to match a dot
...
"In the default mode, Dot (.) matches any character except a newline. If the DOTALL flag has been specified, this matches any character including a newline." (python Doc)
So, if you want to evaluate dot literaly, I think you should put ...
