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How to get the body's content of an iframe in Javascript?
...w.myVar;
// or call a global function
var myVar = iframeWindow.myFunction(param1 /*, ... */);
Note
All this is possible if you observe the same-origin policy.
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How to Convert Boolean to String
....net/var_export to understand what the var_export does and what the second param is.
1. var_export
Works for boolean input but converts everything else to a string as well.
// OK
var_export(false, 1); // 'false'
// OK
var_export(true, 1); // 'true'
// NOT OK
var_export('', 1); // '\'\''
// NOT ...
Get current URL with jQuery?
...w.location.pathname only gets the URL up the "?" and doesn't get the query params as asked in the question.
– johntrepreneur
Dec 28 '12 at 19:05
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Find indices of elements equal to zero in a NumPy array
...o make a 3-long vector for instance. I suspect this is to make parsing the params easy. Otherwise something like np.zeros(3,0,dtype='int16') versus np.zeros(3,3,3,dtype='int16') would be annoying to implement.
– mtrw
Jan 13 '14 at 10:40
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Microsoft Azure: How to create sub directory in a blob container
... -s . -d \$web --account-name firststgaccount01
//Remove "\" @destination param
az storage blob upload-batch -s . -d $web --account-name firststgaccount01
The easiest way to transform collection to array?
... memory than (new Foo[0]). As per the Collection.toArray documentation, ` @param a the array into which the elements of this collection are to be stored, if it is big enough` which means it will store them directly in that new array. If you give it a size 0 array, it will make a new array, meaning y...
python plot normal distribution
...ch='minor', linestyle=':', linewidth=0.5, color='#a6a6a6')
ax.tick_params(which='both', # Options for both major and minor ticks
top=False, # turn off top ticks
left=False, # turn off left ticks
right=False, # turn off ...
Optimise PostgreSQL for fast testing
...ce dramatically just by creating an appropriate index or tweaking the cost parameters.
AFAIK there's no way to set an entire database or cluster as UNLOGGED. It'd be interesting to be able to do so. Consider asking on the PostgreSQL mailing list.
Host OS tuning
There's some tuning you can do at t...
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
...c.execute("SELECT * FROM t WHERE a = %s")
In other words, if you provide parameter (%s) in query, but you forget to add query params. In this case error message is very misleading.
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How to remove EXIF data without recompressing the JPEG?
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ImageMagick has the -strip parameter, but it recompresses the image before saving. Thus, this parameter is useless for my need.
This topic from ImageMagick forum explains that there is no support for JPEG lossless operations in ImageMagick (whenever t...