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How to prettyprint a JSON file?
... resident set size" required for pretty-printing was 5GB (whether using jq 1.5 or 1.6). Note also that jq can be used from within python after pip install jq.
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How to compare two floating point numbers in Bash?
...er maths
but you can use bc command as follows:
$ num1=3.17648E-22
$ num2=1.5
$ echo $num1'>'$num2 | bc -l
0
$ echo $num2'>'$num1 | bc -l
1
Note that exponent sign must be uppercase
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Sleeping in a batch file
...e.sleep(float(sys.argv[1]))
It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rather than sleep.py, then you can add the .PY extension to your PATHEXT environment variable. On Windows XP, you can edit it in:
My Computer ...
Django class-based view: How do I pass additional parameters to the as_view method?
...e the attributes of a SingleObjectMixin https://docs.djangoproject.com/en/1.5/ref/class-based-views/mixins-single-object/#singleobjectmixin
# views.py
class MyView(DetailView):
model = MyModel
slug_field = 'slug_field_name'
slug_url_kwarg = 'model_slug'
context_object_name = 'my_mo...
fastest (low latency) method for Inter Process Communication between Java and C/C++
...yet). If 2 processes forced to same core with taskset,
the latency becomes 1.5 microseconds - that's a context switch delay
P.P.S - and 0.3 microsecond is a good number! The following code takes exactly 0.1 microsecond, while doing a primitive string concatenation only:
int j=123456789;
String re...
Textarea Auto height [duplicate]
...der-box;
direction:rtl;
display:block;
max-width:100%;
line-height:1.5;
padding:15px 15px 30px;
border-radius:3px;
border:1px solid #F7E98D;
font:13px Tahoma, cursive;
transition:box-shadow 0.5s ease;
box-shadow:0 4px 6px rgba(0,0,0,0.1);
font-smoothing:subpixel-antialiased;
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Dealing with multiple Python versions and PIP?
...pip changed its schema to use pipVERSION instead of pip-VERSION in version 1.5. You should use the following if you have pip >= 1.5:
$ pip2.6 install otherpackage
$ pip2.7 install mybarpackage
Check https://github.com/pypa/pip/pull/1053 for more details
References:
https://github.com/pypa...
Weird Integer boxing in Java
...
* @return an {@code Integer} instance representing {@code i}.
* @since 1.5
*/
public static Integer valueOf(int i) {
if (i >= IntegerCache.low && i <= IntegerCache.high)
return IntegerCache.cache[i + (-IntegerCache.low)];
return new Integer(i);
}
So instead ...
Jackson Vs. Gson [closed]
...e handling for output
Support for deserializing polymorphic types (Jackson 1.5) -- can serialize AND deserialize things like List correctly (with additional type information)
Integrated support for binary content (base64 to/from JSON Strings)
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Why should I use Deque over Stack?
...mance might be a reason. An algorithm I used went down from 7.6 minutes to 1.5 minutes by just replacing Stack with Deque.
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