大约有 47,000 项符合查询结果（耗时：0.0552秒） [XML]
How to choose the id generation strategy when using JPA and Hibernate
...d
uses a database-generated GUID string on MS SQL Server and MySQL.
native
selects identity, sequence or hilo depending upon the capabilities of the underlying database.
assigned
lets the application assign an identifier to the object before save() is called. This is the default strategy if no elem...
SQLite string contains other string query
...
Using LIKE:
SELECT *
FROM TABLE
WHERE column LIKE '%cats%' --case-insensitive
share
|
improve this answer
|
...
Android - Launcher Icon Size
...
@android developer, you can select "Legacy only" as the icon type if you want to generate icons without specifying the background layer. If you choose "Adaptive and Legacy", the legacy icons will be generated by merging the foreground and background lay...
How to execute a raw update sql with dynamic binding in rails
...ch less efficient, isn't it. Doesn't this trade one update statement for a select, bring the records into rails memory, update each record and send an update statement back for each record. 1 update vs 1 per record and much bandwidth, etc.? Does AR optimize this or not? I don't think it does.
...
How to set warning level in CMake?
...ractive' strategy for warnings, just like clang's -Weverything. Instead of selecting warnings to enable, you enable everything and then select specific warnings to disable.
– bames53
Sep 7 '16 at 16:59
...
How do I put the image on the right side of the text in a UIButton?
...ia Interface Builder)
There's an easier way from the Interface Builder.
Select the UIButton and select this option in the View Utilities > Semantic:
That's it! Nice and simple!
OPTIONAL - 2nd step:
If you want to adjust the spacing between the image and the title you can change the I...
Checkout one file from Subversion
...ithin the repository containing all the files that you wish to work on and Select Checkout.
Step 3: Within new popup window, ensure that the checkout directory points to the correct location on your local PC. There will also be a dropdown menu labeled “checkout depth”. Choose “Only this item...
How to clear MemoryCache?
...od
The workaround is:
List<string> cacheKeys = MemoryCache.Default.Select(kvp => kvp.Key).ToList();
foreach (string cacheKey in cacheKeys)
{
MemoryCache.Default.Remove(cacheKey);
}
share
|
...
R command for setting working directory to source file location in Rstudio
...
Worked for me in RStudio v1.0.143 on Windows 10. If you select "Source on save", it will work just fine (you can print out the detected directory with "cat"). If you select the lines then execute them, then the result is null.
– Contango
Jun ...
Find the PID of a process that uses a port on Windows
...l (Core-compatible) one-liner to ease copypaste scenarios:
netstat -aon | Select-String 8080 | ForEach-Object { $_ -replace '\s+', ',' } | ConvertFrom-Csv -Header @('Empty', 'Protocol', 'AddressLocal', 'AddressForeign', 'State', 'PID') | ForEach-Object { $portProcess = Get-Process | Where-Object Id...