大约有 44,000 项符合查询结果（耗时：0.0669秒） [XML]
Update Row if it Exists Else Insert Logic with Entity Framework
...or a while? For example, during the life of a Windows form? I normally try and clean up database objects to ensure minimum load on the database. Is there no problem waiting to destroy my EF context?
– Jonathan Wood
Apr 6 '11 at 2:16
...
What does cherry-picking a commit with Git mean?
...
Cherry picking in Git means to choose a commit from one branch and apply it onto another.
This is in contrast with other ways such as merge and rebase which normally apply many commits onto another branch.
Make sure you are on the branch you want to apply the commit to.
git checkout...
pandas resample documentation
So I completely understand how to use resample , but the documentation does not do a good job explaining the options.
2 An...
Sphinx autodoc is not automatic enough
... help you.
This script parses a directory tree looking for python modules and packages and creates ReST files appropriately to create code documentation with Sphinx. It also creates a modules index.
UPDATE
This script is now part of Sphinx 1.1 as apidoc.
...
Programmatically change log level in Log4j2
...
Right and if you want to change for just a particular logger (of a class/ package) get the context of that logger, setLevel and updateLoggers.
– tgkprog
May 2 '14 at 20:21
...
Fragment Inside Fragment
...ing a problem on pressing back button. Application Main screen
has buttons and pressing on each button view replace with new
fragment(and that fragment contain inside another fragment),
dynamically adding/replacing fragment is working fine, by pressing
button1 fragment replaced, same happens when pr...
Smart way to truncate long strings
...more sophisticated solution/library for truncating strings with JavaScript and putting an ellipsis on the end, than the obvious one:
...
How do I keep two side-by-side divs the same height?
I have two divs side by side. I'd like the height of them to be the same, and stay the same if one of them resizes. I can't figure this one out though. Ideas?
...
Purpose of Trigraph sequences in C++?
According to C++'03 Standard 2.3/1:
9 Answers
9
...
Custom thread pool in Java 8 parallel stream
...join pool. If you execute it as a task in a fork-join pool, it stays there and does not use the common one.
final int parallelism = 4;
ForkJoinPool forkJoinPool = null;
try {
forkJoinPool = new ForkJoinPool(parallelism);
final List<Integer> primes = forkJoinPool.submit(() ->
...