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Replace non-ASCII characters with a single space
...ijn Pieters♦Martijn Pieters
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How to do multiple arguments to map function where one remains the same in python?
Lets say we have a function add as follows
15 Answers
15
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Uppercase Booleans vs. Lowercase in PHP
When I was learning PHP, I read somewhere that you should always use the upper case versions of booleans, TRUE and FALSE , because the "normal" lowercase versions, true and false , weren't "safe" to use.
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How to avoid isset() and empty()
...of "xyz is undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts.
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Getting the last argument passed to a shell script
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The simplest answer for bash 3.0 or greater is
_last=${!#} # *indirect reference* to the $# variable
# or
_last=$BASH_ARGV # official built-in (but takes more typing :)
That's it.
$ cat lastarg
#!/bin/bash
# echo the last arg given:
_last=${!#}
echo $_last
_last...
Why use prefixes on member variables in C++ classes
...ng underscore before a capital letter in a word is reserved.
For example:
_Foo
_L
are all reserved words while
_foo
_l
are not. There are other situations where leading underscores before lowercase letters are not allowed. In my specific case, I found the _L happened to be reserved by Visual...
How to copy to clipboard in Vim?
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Sudo Bash
24322 silver badges1313 bronze badges
answered Oct 18 '10 at 17:59
Gabe MoothartGabe Moothart
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
I am having this error when seeding my database with code first approach.
29 Answers
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Why does Java's hashCode() in String use 31 as a multiplier?
...nd #! , or Ca and DB . This does not happen if you choose, for instance, 1327144003, or at least 524287 which also allows bitshift: 524287 * i == i << 19 - i.
– Hans-Peter Störr
Nov 30 '09 at 13:43
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Git pull from another repository
...er
– Alec Jacobson
Dec 27 '17 at 17:32
I tried that but git pull upstream just hangs... any ideas?
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