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Saving a Numpy array as an image
...rt images, but it does use a somewhat uncommon color encoding in which the order of the colors is BGR rather than RGB.
– Zvika
Jun 11 at 7:23
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Disabling browser caching for all browsers from ASP.NET
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This is what we use in ASP.NET:
// Stop Caching in IE
Response.Cache.SetCacheability(System.Web.HttpCacheability.NoCache);
// Stop Caching in Firefox
Response.Cache.SetNoStore();
It stops caching in Firefox and IE, but we haven't tried other browsers. The following response headers are added...
What is reflection and why is it useful?
...is in Java (imagine the object in question is foo) :
Method method = foo.getClass().getMethod("doSomething", null);
method.invoke(foo, null);
One very common use case in Java is the usage with annotations. JUnit 4, for example, will use reflection to look through your classes for methods tagged w...
Using a bitmask in C#
... mask I did Mon=Math.Power(2, 0), Tues=Math.Pow(2, 1), Wed=Math.Pow(2, 2), etc. so the bit position is a little more obvious for those of use who aren't used to binary to decimal conversion. Blindy's is good too since it turns into a boolean result by shifting the masked bit.
–...
Make a Bash alias that takes a parameter?
...h() { mv "$@" ~/.Trash; }
That's it! You can use parameters $1, $2, $3, etc, or just stuff them all with $@
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Get Image size WITHOUT loading image into memory
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This is a wrapper around libmagic which read as few bytes as possible in order to identify a file type signature.
Relevant version of script:
https://raw.githubusercontent.com/scardine/image_size/master/get_image_size.py
[update]
Hmmm, unfortunately, when applied to jpegs, the above gives "...
Django - how to create a file and save it to a model's FileField?
...ite existing file, storing to the right spot, not creating duplicate files etc).
Django 1.4.1
Python 2.7.3
#Model
class MonthEnd(models.Model):
report = models.FileField(db_index=True, upload_to='not_used')
import csv
from os.path import join
#build and store the file
def write_csv():
p...
Is there an opposite to display:none?
...n CSS, so there are several different values (block, inline, inline-block etc — see the documentation for these values here ).
display:none removes an element from the page layout entirely, as if it wasn’t there.
All other values for display cause the element to be a part of the page, so in a...
How do I remove the space between inline/inline-block elements?
...ute... what if I'm generating my divs inside Taglibs loops (Struts2, JSTL, etc...) ?
For example:
<s:iterator begin="0" end="6" status="ctrDay">
<br/>
<s:iterator begin="0" end="23" status="ctrHour">
<s:push value="%{days[#ctrDay.index].hours[#ctrHour.index]}"...
How to parse a string into a nullable int
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There is no order-of-evaluation side-effect here. All steps are explicitly ordered and correct.
– Jon Hanna
Mar 22 '11 at 14:30
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