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Difference between a theta join, equijoin and natural join
...h no name. I know it is not a set because, among other reasons, the column order is significant. It's not even a SQL table or SQL table expression. I call it a resultset.
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Is it possible to have nested templates in Go using the standard library?
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I'll just add here that in order to render the actual templates I had to call tmpl["index.html"].ExecuteTemplate(w, "base", data).
– hermansc
May 16 '13 at 17:08
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Is it worth hashing passwords on the client side
... secure authentication protocols usually jump through a number of hoops in order to make sure, that such a replay attack cannot work, usually, by allowing the client to select a bunch of random bits, which are hashed along with the password, and also submitted in the clear to the server.
On the se...
Understanding ibeacon distancing
...info form accelerometer to detect whether user is moving (and how fast) in order to reset the previous distribution distance values because they have certainly changed.
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Finding local maxima/minima with Numpy in a 1D numpy array
...max_peakind = signal.find_peaks_cwt(data, np.arange(1,10))
# inverse (in order to find minima)
inv_data = 1/data
# minima : use builtin function fo find (min) peaks (use inversed data)
min_peakind = signal.find_peaks_cwt(inv_data, np.arange(1,10))
#show results
print "maxima", data[max_peakind]
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Convert a String In C++ To Upper Case
...ng slow on Windows when a locale is set.
I was shocked that Boost is an order of magnitude slower than the other options. I double-checked that I had -O3 enabled, and even single-stepped the asm to see what it was doing. It's almost exactly the same speed with clang++ 3.8. It has huge overhead...
Html helper for
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Improved version of Paulius Zaliaduonis' answer:
In order to make the validation work properly I had to change the Model to:
public class ViewModel
{
public HttpPostedFileBase File { get; set; }
[Required(ErrorMessage="A header image is required"), FileExtensio...
How can I store my users' passwords safely?
...ion: password_hash() and password_verify(). It provides several options in order to achieve the level of password security you need (for example by specifying a "cost" parameter through the $options array)
<?php
var_dump(password_hash("my-secret-password", PASSWORD_DEFAULT));
$options = array(
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Some font-size's rendered larger on Safari (iPhone)
...en’s resolution). Many web designers use pixel units in web documents in order to produce a pixel-perfect representation of their site as it is rendered in the browser. One problem with the pixel unit is that it does not scale upward for visually-impaired readers or downward to fit mobile devices....
application/x-www-form-urlencoded or multipart/form-data?
...t somethings to web server, we have to mention what is the Content-type in order to let web server know should it decode the data? Even we craft the http request ourself, we MUST mention the Content-type right?
– GMsoF
Jul 17 '13 at 6:21
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