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How to avoid passing parameters everywhere in play2?
... data in actions, use them directly in views. Since we don't need to explicitly declare parameters in view, this is very easy.
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What is the difference between “pom” type dependency with scope “import” and without “import”?
Starting from Maven 2.0.9 there is possibility to include
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What do people find difficult about C pointers? [closed]
From the number of questions posted here, it's clear that people have some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
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Vim: What's the difference between let and set?
What's the difference between let and set in the vim editor?
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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...ime spent in user code and the amount of time spent in kernel code.
The units are seconds (and subseconds, which might be microseconds or nanoseconds).
The wall-clock time is not the number of seconds that the process has spent on the CPU; it is the elapsed time, including time spent waiting for i...
How can prepared statements protect from SQL injection attacks?
...in the mixing of the code and the data.
In fact, our SQL query is a legitimate program.
And we are creating such a program dynamically, adding some data on the fly. Thus, the data may interfere with the program code and even alter it, as every SQL injection example shows it (all examples in PHP...
How to play with Control.Monad.Writer in haskell?
...Learn You a Haskell , but when I went through this chapter , I got stuck with the program below:
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How to use ng-repeat for dictionaries in AngularJs?
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You can use
<li ng-repeat="(name, age) in items">{{name}}: {{age}}</li>
See ngRepeat documentation. Example: http://jsfiddle.net/WRtqV/1/
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
... this is okay in Ruby2.2+
h[s:] = 42
You can also use anything as a key with => so you can do this:
h = { C.new => 11 }
h = { 23 => 'pancakes house?' }
but you can't do this:
h = { C.new: 11 }
h = { 23: 'pancakes house?' }
The JavaScript style (key: value) is only useful if all of y...
How do you find the row count for all your tables in Postgres
... for all my tables in Postgres. I know I can do this one table at a time with:
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