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Why does !{}[true] evaluate to true in JavaScript?
..., because it's parsed as a statement block containing a label (key:) and a string literal ("value"), followed by an array. The parser still does not see an object literal.
– Frédéric Hamidi
Oct 31 '13 at 9:54
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Exclude .svn directories from grep [duplicate]
...ort GREP_OPTIONS='--exclude-dir=".svn"'
PS: thanks to Adrinan, there are extra quotes in my version:
export GREP_OPTIONS='--exclude-dir=.svn'
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converting CSV/XLS to JSON? [closed]
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Extra credit: save json to a file... $topicsjson | Add-Content -Path "mydata.json"
– brady321
Apr 10 '18 at 19:46
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Check whether an array is empty [duplicate]
...ro value.
The following things are considered to be empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a float)
"0" (0 as a string)
NULL
FALSE
array() (an empty array)
var $var; (a variable declared, but without a value in a class)
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Why hasn't functional programming taken over yet?
... problems we face. Our problems are all about taking in raw information -- strings and metadata -- and transforming them into different strings and metadata. In situations where mutations occur, like someone is typing in the IDE, the problem space inherently lends itself to functional techniques suc...
Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
...ntent"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
</RelativeLayout>
In res/values/styles.xml:
<resources>
<style name="AppBaseTheme" parent="android:Theme.Light">
</style>
<!-- Application theme. -->
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What is `related_name` used for in Django?
...nstance). The formula Django uses is the name of the model followed by the
string _set. The related name parameter thus simply overrides Django’s default rather
than providing new behavior.
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Lightweight XML Viewer that can handle large files [closed]
... I've just tried it with a 250 MB document and it works like a charm! Only thing I can't figure out is how to "make" it display HTML Entity as a value (eg, HTML Entity (decimal) from fileformat.info/info/unicode/char/160/index.htm)
– Andrija
Jul 13 ...
How to make the first option of selected with jQuery
...ected attribute. For example, attr("selected", "selected"). Without this extra parameter, the selection isn't made.
– David Andres
Sep 12 '09 at 4:36
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Using Default Arguments in a Function
... {
// single parameter, of object type SOMETHING
} else if (is_string($params)) {
// single argument given as string
} else if (is_array($params)) {
// params could be an array of properties like array('x' => 'x1', 'y' => 'y1')
} else if (func_num_args() == ...