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how to change any data type into a string in python
... info. For most core library object, repr produces the class name (and sometime some class information) between angle brackets. repr will be used, for example, by just typing your object into your interactions pane, without using print or anything else.
You can define the behavior of repr for your ...
Expand a random range from 1–5 to 1–7
...re is no (exactly correct) solution which will run in a constant amount of time, since 1/7 is an infinite decimal in base 5. One simple solution would be to use rejection sampling, e.g.:
int i;
do
{
i = 5 * (rand5() - 1) + rand5(); // i is now uniformly random between 1 and 25
} while(i > 2...
What method in the String class returns only the first N characters?
...truncate a string? Just be aware this will perform very badly if used many times such as in a loop. Don't do this as a matter of habit
– ErikE
May 14 '18 at 22:22
add a commen...
Undo git reset --hard with uncommitted files in the staging area
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Isn't it possible to have a look at the object time stamps for the most recent objects that are later than your last commit? or am I missing something.
– Philip Oakley
Sep 12 '11 at 19:22
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...
Each and every time that I try to download from File Hippo I get redirected and the current version of Chrome gets installed. Frustrating.
– Jay Blanchard
Apr 28 '14 at 16:21
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Add timestamps to an existing table
I need to add timestamps ( created_at & updated_at ) to an existing table. I tried the following code but it didn't work.
...
How to redirect 404 errors to a page in ExpressJS?
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Please consider a little more verbose answer next time... Examples are usually fine - and this is a good example - but some explanation can be very, very good as well...
– Tonny Madsen
Jul 3 '11 at 20:40
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Font Awesome not working, icons showing as squares
...or something else and affecting fontawesome icons - happened to me so many times that it's becoming stupid.
– Edd
Oct 22 '15 at 15:09
2
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How to copy a directory structure but only include certain files (using windows batch files)
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An alternate solution that copies one file at a time and does not require ROBOCOPY:
@echo off
setlocal enabledelayedexpansion
set "SOURCE_DIR=C:\Source"
set "DEST_DIR=C:\Destination"
set FILENAMES_TO_COPY=data.zip info.txt
for /R "%SOURCE_DIR%" %%F IN (%FILENAMES_TO_COP...
How can I check if an argument is defined when starting/calling a batch file?
...lf contains double quotes. "%1"=="" will error with an "unexpected at this time" message.
– tekumara
Feb 8 '12 at 1:03
2
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