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Search for string and get count in vi editor
...: is on CLI(Command Line Interface)
%s specifies all lines. Specifying the range as % means do substitution in the entire file. Syntax for all occurrences substitution is :%s/old-text/new-text/g
g specifies all occurrences in the line. With the g flag , you can make the whole line to be substituted...
How to test if a double is an integer
... @JoelChristophel: Yes. Not all doubles with integer values are in the range of int, or even long, so that test won't work on them.
– Louis Wasserman
Dec 9 '15 at 17:24
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Iterate through pairs of items in a Python list [duplicate]
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To do that you should do:
a = [5, 7, 11, 4, 5]
for i in range(len(a)-1):
print [a[i], a[i+1]]
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Showing a different background colour in Vim past 80 characters
...1 and onward (so 80 is your last valid column):
let &colorcolumn=join(range(81,999),",")
If you don't see a highlight, you may not have a ColorColumn highlight color set. Add this (adjust to suit your preferences):
highlight ColorColumn ctermbg=235 guibg=#2c2d27
Now I like to highlight col...
How to join two generators in Python?
....chain.from_iterable you can do things like:
def genny(start):
for x in range(start, start+3):
yield x
y = [1, 2]
ab = [o for o in itertools.chain.from_iterable(genny(x) for x in y)]
print(ab)
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How can I set the value of a DropDownList using jQuery?
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I have a range validator against a drop down list and I am setting the value of the drop down list as you have described above, yet the range validator keeps failing telling me to select a value (when the value selected is within rang...
Resizing an image in an HTML5 canvas
...this.ratio = img.width / sx;
this.rcp_ratio = 2 / this.ratio;
this.range2 = Math.ceil(this.ratio * lobes / 2);
this.cacheLanc = {};
this.center = {};
this.icenter = {};
setTimeout(this.process1, 0, this, 0);
}
thumbnailer.prototype.process1 = function(self, u) {
self.cen...
Hidden features of Python [closed]
... literal 45
literal 43
max_repeat 1 2
in
range (48, 57)
literal 93
subpattern 2
min_repeat 0 65535
any None
in
literal 47
literal 102
literal 111
literal 110
literal 116
Once you understand the syntax, you can spot your errors. There we can see th...
How can bcrypt have built-in salts?
...m PasswordEncoder interface documentation from Spring Security,
* @param rawPassword the raw password to encode and match
* @param encodedPassword the encoded password from storage to compare with
* @return true if the raw password, after encoding, matches the encoded password from
* storage
*...
How to make a flat list out of list of lists?
...r loop that repeatedly appends more obvious.
– ShadowRanger
Nov 12 '15 at 20:26
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