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Spring - @Transactional - What happens in background?
... have a look at this Spring @Transactional In-Depth guide, which tries its best to cover transaction management in ~4000 simple words, with a lot of code examples.
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Swapping column values in MySQL
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I believe have a intermediate exchange variable is the best practice in such way:
update z set c1 = @c := c1, c1 = c2, c2 = @c
First, it works always; second, it works regardless of data type.
Despite of Both
update z set c1 = c1 ^ c2, c2 = c1 ^ c2, c1 = c1 ^ c2
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updat...
Is there a recommended way to return an image using ASP.NET Web API
What is the best way to return an image with 2 parameters (x and y for resize).
2 Answers
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Join strings with a delimiter only if strings are not null or empty
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This is probably the best answer. Uses native functions. If you're using es6/es2015 it can be shortened to just [address, city, state, zip].filter(val => val).join(', ')
– Sir.Nathan Stassen
Oct 31 '16 a...
Is there a practical use for weak references? [duplicate]
...do that, why bother just do all the stuff yourself
– bestsss
Jan 16 '12 at 2:51
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SQL- Ignore case while searching for a string
... I think you should always compare strings capitalized (UPPER) as best practice. Google "turkish i"
– Traubenfuchs
Apr 18 '14 at 18:27
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How to prevent long words from breaking my div?
...t not break on padding so either nest divs or use a border (whatever works best for you).
This will hide overflowing content and therefore you might lose meaning. You could use a scrollbar (using overflow:auto or overflow:scroll instead of overflow:hidden) but depending on the dimensions of the div...
What is the difference between a map and a dictionary?
...the map type to possibly have graph based implementations, but it would be best to always assume just the key-value pair, especially since nearest neighbor and other attributes to the value could all just be data members of the value.
java maps, despite the one-to-one requirement, can implement so...
How can I change the current URL?
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Looking back, this is by far the best answer. document.location.href has nothing on pushState
– buley
Feb 15 '11 at 1:21
add a commen...
Is there a difference between PhoneGap and Cordova commands?
...software. Think on Photoshop - it's out there since 24 years and still the best in the field. Phonegap is more the cloud build service then anything else. The code seems to be pretty much the same as Cordova - otherwise they counldn't adopt new cordova version so quickly. The cloud service makes the...