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Can two different strings generate the same MD5 hash code?
...gt;/dev/null >(md5) >(sha1sum)
c6b384c4968b28812b676b49d40c09f8af4ed4cc -
008ee33a9d58b51cfeb425b0959121c9
$ echo '4dc968ff0ee35c209572d4777b721587d36fa7b21bdc56b74a3dc0783e7b9518afbfa202a8284bf36e8e4b55b35f427593d849676da0d1d55d8360fb5f07fea2' | xxd -r -p | tee >/dev/null >(md5) >(...
Does it make any sense to use inline keyword with templates?
...t it in Explicit specialization ([temp.expl.spec])
Have the following:
a.cc
#include "tpl.h"
b.cc
#include "tpl.h"
tpl.h (taken from Explicit Specialization):
#ifndef TPL_H
#define TPL_H
template<class T> void f(T) {}
template<class T> inline T g(T) {}
template<> inline v...
Set transparent background of an imageview on Android
...ncy, you should pre-pend two more characters to the hexadecimal code, like CC.
Note
android:background="#CCFF0088" in XML
where CC is the alpha value, FF is the red factor, 00 is the green factor, and 88 is the blue factor.
Some opacity code:
Hex Opacity Values
100% — FF
95% — F2
90% — E6
85% ...
HTML5 Canvas 100% Width Height of Viewport?
...of how to have a canvas dynamically adapt in size upon window resize. The accepted answer appropriately handles the case where width and height are both supposed to be 100%, which is what was asked for, but which also will change the aspect ratio of the canvas. Many users will want the canvas to res...
How to check whether a pandas DataFrame is empty?
...ength of a dataframe's columns index:
if len(df.columns) == 0: 1
Reason:
According to the Pandas Reference API, there is a distinction between:
an empty dataframe with 0 rows and 0 columns
an empty dataframe with rows containing NaN hence at least 1 column
Arguably, they are not the same. The oth...
The $.param( ) inverse function in JavaScript / jQuery
... answered Jun 9 '11 at 19:23
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Comparison of CI Servers? [closed]
...
confluence.public.thoughtworks.org/display/CC/CI+Feature+Matrix not found
– Kiquenet
Jun 23 '14 at 9:58
11
...
case-insensitive list sorting, without lowercasing the result?
... then have to use unicode.lower for unicode objects, whereas string.lower accepts both (which, as you put it, is probably not really a "sane" mode of operation, though).
– Daniel Andersson
Jun 5 '16 at 10:29
...
How to make a background 20% transparent on Android
...
Make the color have 80% in the alpha channel. For example, for red use #CCFF0000:
<TextView
...
android:background="#CCFF0000" />
In the example, CC is the hexadecimal number for 255 * 0.8 = 204. Note that the first two hexadecimal digits are for the alpha channel. The format is #A...
Python: json.loads returns items prefixing with 'u'
...on't be thrown by the printed output.
For example, try this:
print mail_accounts[0]["i"]
You won't see a u.
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