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What is the colon operator in Ruby?
... I say { :bla => 1, :bloop => 2 } , what exactly does the : do? I read somewhere about how it's similar to a string, but somehow a symbol.
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Why would someone use WHERE 1=1 AND in a SQL clause?
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Seems like a lazy way to always know that your WHERE clause is already defined and allow you to keep adding conditions without having to check if it is the first one.
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PHP 5.4 Call-time pass-by-reference - Easy fix available?
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For anyone who, like me, reads this because they need to update a giant legacy project to 5.6: as the answers here point out, there is no quick fix: you really do need to find each occurrence of the problem manually, and fix it.
The most convenient...
Delete all local changesets and revert to tree
... project root directory, then type 'hg init', I get 'abort: repository . already exists!'. Do I need to set up and work from a new directory? I'd rather not if possible... surely there must a simple way to kill everything I've done locally?!
– Richard
Jan 26 '1...
get current url in twig template?
...e'),
app.request.attributes.get('_route_params')) }}
If you want to read it into a view variable:
{% set currentPath = path(app.request.attributes.get('_route'),
app.request.attributes.get('_route_params')) %}
The app global view variable contains all sorts of useful...
Seeing escape characters when pressing the arrow keys in python shell
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Looks like readline is not enabled. Check if PYTHONSTARTUP variable is defined, for me it points to /etc/pythonstart and that file is executed by the python process before going interactive, which setups readline/history handling.
Than...
How to annotate MYSQL autoincrement field with JPA annotations
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For anyone reading this who is using EclipseLink for JPA 2.0, here are the two annotations I had to use to get JPA to persist data, where "MySequenceGenerator" is whatever name you want to give the generator, "myschema" is the name of t...
What is RPC framework and Apache Thrift?
... some of the details, the underling concepts are still valid. Another good read is Diwaker Gupta's "Missing Guide", and last not least the forthcoming book from Randy Abernethy.
For beginners, I would recommend to start with the Apache Thrift tutorial suite, these examples show a lot of the core fe...
Are there strongly-typed collections in Objective-C?
... generics and types returned in methods I asked my question in different thread, to keep everything clear: stackoverflow.com/questions/30828076/…
– lvp
Jun 14 '15 at 10:02
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Auto Scale TextView Text to Fit within Bounds
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Future readers, remember to add implementation 'com.android.support:support-compat:28.0.0' in app/build.gradle for the app: ... attributes to work.
– daka
Jan 28 '19 at 18:53
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