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powershell - extract file name and extension
... extension and there may be more dots in the name, so I need to search the string from the right and when I find first dot (or last from the left), extract the part on the right side and the part on the left side from that dot.
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What is SQL injection? [duplicate]
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SQL injection happens when you interpolate some content into a SQL query string, and the result modifies the syntax of your query in ways you didn't intend.
It doesn't have to be malicious, it can be an accident. But accidental SQL injection is more likely to result in an error than in a vulnera...
The necessity of hiding the salt for a hash
..." is that it makes cracking more difficult, but it doesn't try to hide the extra data. If you are trying to get more security by making the salt "secret", then you really just want more bits in your encryption keys.
share
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Media Queries: How to target desktop, tablet, and mobile?
...ust above 400px wide (or 'above mobile size'), then two desktop-sizes, one extra-wide. You can then style the 'above mobile' breakpoint to work nicely on the iPad.
– Dave Everitt
May 17 '14 at 8:55
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Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...----- ------------------------------
db_recovery_file_dest string +FLASH_RECOVERY
db_recovery_file_dest_size big integer 5727M
db_unrecoverable_scn_tracking boolean TRUE
recovery_parallelism integer 0
查看 +FLASH_RECOVERY 可...
C++0x has no semaphores? How to synchronize threads?
..., you normally would just use the name semaphore similar to normally using string not basic_string):
template <typename Mutex, typename CondVar>
class basic_semaphore {
public:
using native_handle_type = typename CondVar::native_handle_type;
explicit basic_semaphore(size_t count = 0)...
Where can I learn how to write C code to speed up slow R functions? [closed]
...rikes me is that you find R somewhat tedious (data manipulation, graphics, string manipulatio, etc ...). Well get prepared for many more surprises with the internal C API of R. This is very tedious.
From time to time, I read the R-exts or R-ints manuals. This helps. But most of the time, when I re...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...ay, now I see. Usually the file that you "optimize away" serve for loading extra stuff like find_dependency. I think it's a good template to start so I will keep it even it's not used in fact. The rest of the code looks more simplier because you're missing some functionality like version, export for...
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
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Aha so by using * you are adding extra work for the DB. Ok that's one reason I hadn't thought of.
– Ankur
Jun 4 '10 at 6:50
1
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How do I pass values to the constructor on my wcf service?
... to the protected method public override ServiceHostBase CreateServiceHost(string constructorString, Uri[] baseAddresses); The exception is The exception message was: 'ServiceHostFactory.CreateServiceHost' cannot be invoked within the current hosting environment. This API requires that the calling ...