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React JSX: selecting “selected” on selected option
...ect>
For more info, see the React select tag doc.
Also, React automatically understands booleans for this purpose, so you can simply write (note: not recommended)
<option value={option.value} selected={optionsState == option.value}>{option.label}</option>
and it will output 'selecte...
Getting a list of values from a list of dicts
... simple at first glance, because find returns match objects, which include all kinds of things besides just the matched value, such as a path directly to each item. But for more complex expressions, being able to specify a path like '*.[*].value' instead of a comprehension clause for each * can make...
How to build jars from IntelliJ properly?
....
The above sets the "skeleton" to where the jar will be saved to. To actually build and save it do the following:
Extract to the target Jar
OK
Build | Build Artifact | Build
Try Extracting the .jar file from
ProjectName | out | artifacts | ProjectName_jar | ProjectName.jar
...
How can I export the schema of a database in PostgreSQL?
... only the schema to stdout as .sql.
For windows, you'll probably want to call pg_dump.exe. I don't have access to a Windows machine but I'm pretty sure from memory that's the command. See if the help works for you too.
shar...
The server principal is not able to access the database under the current security context in SQL Se
...u would after restoring a db). A stock (cursor driven) script to re-sync all accounts is attached:
USE <your database>
GO
-------- Reset SQL user account guids ---------------------
DECLARE @UserName nvarchar(255)
DECLARE orphanuser_cur cursor for
SELECT UserName = su.name
F...
How do you determine the ideal buffer size when using FileInputStream?
...as well.
This is why you see most buffers sized as a power of 2, and generally larger than (or equal to) the disk block size. This means that one of your stream reads could result in multiple disk block reads - but those reads will always use a full block - no wasted reads.
Now, this is offset qu...
Best way to encode text data for XML in Java?
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Very simply: use an XML library. That way it will actually be right instead of requiring detailed knowledge of bits of the XML spec.
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Check if a row exists, otherwise insert
...cedure that updates a row in a table. If the row doesn't exist, insert it. All this steps wrapped by a transaction.
11 Ans...
Renew Provisioning Profile
...appears).
I think because I had the phone plugged in already it automagically updated to the phone, because I didn't have to re-sync or anything.
Now my App works again!
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In Laravel, the best way to pass different types of flash messages in the session
...re off a bunch of messages, each maybe a different severity, and have them all displayed.
– Jason
Mar 11 '15 at 11:20
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