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Git undo local branch delete
...closed the terminal yet it becomes real easy. For example this deletes and then immediately restores a branch named master2:
user@MY-PC /C/MyRepo (master)
$ git branch -D master2
Deleted branch master2 (was 130d7ba). <-- This is the SHA1 we need to restore it!
user@MY-PC /C/MyRepo (master)
$...
Insert string at specified position
...'ll do it now and copy'n'paste from php.net: "Of course, if length is zero then this function will have the effect of inserting replacement into string at the given start offset."
– Wolfsblvt
Jan 23 '15 at 23:55
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How do you join on the same table, twice, in mysql?
...d as toD) for the FOR, and a second time (aliased as fromD) for the FROM.
Then in the SELECT list, you will select the DOM_URL fields from both LEFT JOINS of the DOMAIN table, referencing them by the table alias for each joined in reference to the Domains table, and alias them as the ToURL and From...
Removing whitespace from strings in Java
... S = S.replaceAll("\\s", ""); whereas first the replacing will be done and then S will receive the characterstripped version of S
– frogeyedpeas
Mar 1 '14 at 17:57
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Extract part of a regex match
...g soup HTML (which is frequently non-conforming to any SGML/XML validator) then use the BeautifulSoup package. It isn't in the standard libraries (yet) but is wide recommended for this purpose.
Another option is: lxml ... which is written for properly structured (standards conformant) HTML. But i...
How to convert the background to transparent? [closed]
...the default format. If you prefer PNG you have to go to the File menu, and then Save Image. From there you can choose the format.
– Fabio says Reinstate Monica
Mar 11 '15 at 13:22
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Simple way to create matrix of random numbers
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First, create numpy array then convert it into matrix. See the code below:
import numpy
B = numpy.random.random((3, 4)) #its ndArray
C = numpy.matrix(B)# it is matrix
print(type(B))
print(type(C))
print(C)
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Problems installing the devtools package
...ole output is pretty verbose so I would check for any other dependencies.
Then, I finally got it:
> find_rtools()
[1] TRUE
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Printing leading 0's in C?
... final padded string. Alternatively, if you always wanted 5 leading zeros, then "00000" + integer.to_s. etc
– mlambie
Mar 4 at 5:21
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raw_input function in Python
...int(raw_input()) -- Gets the input number as a string from raw_input() and then converts it to an integer using int().
print '\nWhat\'s your name ?',
name = raw_input('--> ')
print '\nHow old are you, %s?' % name,
age = int(raw_input())
print '\nHow tall are you (in cms), %s?' % name,
height = ...