大约有 41,000 项符合查询结果（耗时：0.0594秒） [XML]
How do I get the entity that represents the current user in Symfony2?
...regular dql like
$em = $this->get('doctrine.orm.entity_manager');
"SELECT u FROM Acme\AuctionBundle\Entity\User u where u.username=".$username;
$q=$em->createQuery($query);
$user=$q->getResult();
the $user should now hold the user with this username ( you could also use other fields ...
How do you run a Python script as a service in Windows?
...d since I could pass options to an installed service, I could just as well select my Python executable and pass my script as an option.
I have not yet tried this solution, but I will do so right now and update this post along the process. I am also interested in using virtualenvs on Windows, so I m...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...-date), sum)
# summarising a specific set of non-grouping variables using select_helpers
# see ?select_helpers for more options
df2 <- df1 %>% group_by(year, month) %>% summarise_at(vars(starts_with('x')), sum)
df2 <- df1 %>% group_by(year, month) %>% summarise_at(vars(matches('.*...
Carriage Return/Line Feed in .Net Resource File (App_GlobalResources)
...n Visual Studio:
Right click to the resource file
Click to Open with ...
Select XML (Text) Editor with Encoding
Click OK
Click OK again for encoding selection (auto-detect)
Search for the name (key) of your text (e.g. "MY_TEXT")
Edit the text inside of the <value> tag. For linebreaks just pu...
How to think in data stores instead of databases?
...e does not have LIKE Keyword) SQL which is GQL.
Data Insert/Update/Delete/Select
This where we all are interested in, as in RDMBS we require one query for Insert, Update, Delete and Select just like RDBMS, Datastore has put, delete, get(dont get too excited) because Datastore put or get in terms of...
Reset AutoIncrement in SQL Server after Delete
... a column(column_name) from a table(table1), you can use following query
SELECT MAX(column_name) FROM table1
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Blocks and yields in Ruby
...y:
days = ["monday", "tuesday", "wednesday", "thursday", "friday"]
# select those which start with 't'
days.select do | item |
item.match /^t/
end
=> ["tuesday", "thursday"]
Or, we can also provide a custom sort algorithm, for instance based on the string size:
days.sort do |x,...
In Intellij, how do I toggle between camel case and underscore spaced?
...g Manipulation which has the capabilities you're looking for (and more).
Select historyOfPresentIllness and press Alt+M to bring up the plugin menu, then press:
5 - To snake_case (or to camelCase) which converts to history_of_present_illness
6 - To hyphen-case (or to snake_case) which converts...
How can I connect to MySQL in Python 3 on Windows?
...k', user='root', passwd=None, db='mysql')
cur = conn.cursor()
cur.execute("SELECT Host,User FROM user")
for r in cur:
print(r)
cur.close()
conn.close()
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Can't delete virtual device from Eclipse, android
...e inside [Your Device].avd folder
From Android Studio
Open AVD Manager
Select virtual device that you want to delete
Click down arrow at the end and select [Show on Disk] it will open directory
Find *.lock files and delete inside [Your Device].avd folder
After these steps it will allow you to ...