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How can I scale an image in a CSS sprite
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hi @Robert. How about now?
– Tomasz Mularczyk
Aug 23 '17 at 6:32
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Getting an empty JQuery object
...it by using PHP instead of jQuery so I can't really dig more into it right now.
– cregox
Mar 2 '11 at 19:02
2
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Django FileField with upload_to determined at runtime
...posed to having everyone's files go to MEDIA_ROOT. The problem is I don't know how to define this in the model. Here is how it currently looks:
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Cleaner way to update nested structures
...ess,
set = (p: Person, addr: Address) => p.copy(address = addr))
Now, compose them to get a lens that changes zipcode in a person:
val personZipCodeLens = personAddressLens andThen addressZipCodeLens
Finally, use that lens to change raj:
val updatedRaj = personZipCodeLens.set(raj, pers...
How to set -source 1.7 in Android Studio and Gradle
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Java 7 support was added at build tools 19. You can now use features like the diamond operator, multi-catch, try-with-resources, strings in switches, etc. Add the following to your build.gradle.
android {
compileSdkVersion 19
buildToolsVersion "19.0.0"
defaultCon...
Database sharding vs partitioning
... multiple instances or servers, using some kind of logic or identifier to know which instance or server to look for the data. An identifier of this kind is often called a "Shard Key".
A common, key-less logic is to use the alphabet to divide the data. A-D is instance 1, E-G is instance 2 etc. Custo...
Testing two JSON objects for equality ignoring child order in Java
... This is the best answer ever. Not only it answers my question now, as it also answers almost every object comparison we need to do. thanks, joshu.
– Luiz Feijão Veronesi
Aug 31 '17 at 2:14
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
...pping, LINQ will load it successfully and set the column-String to null.
Now you change something and call
SubmitChanges().
LINQ will generate a SQL query
containing "WHERE [title] IS NULL", to make sure the title has not been changed by someone else.
LINQ looks up the properties of
[title] in the...
When should I use C++ private inheritance?
... +1 Iraimbilanja, very cool! BTW I saw your earlier comment (now deleted) about using the CRTP: I think that should in fact work, it's just tricky to get the syntax for template friends right. But in any case your non-template solution is much more awesome :)
– j_...
What is Node.js? [closed]
...vent loops with first class function objects and closures. People already know how to use it this way having used it in the browser to respond to user initiated events.
A lot of people already know JavaScript, even people who do not claim to be programmers. It is arguably the most popular programmin...