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C# Test if user has write access to a folder
...cessRules(true, true, typeof(NTAccount));
//Go through the rules returned from the DirectorySecurity
foreach (AuthorizationRule rule in rules)
{
//If we find one that matches the identity we are looking for
if (rule.IdentityReference.Value.Equals(NtAccountName,StringComparison.CurrentCultur...
C++, variable declaration in 'if' expression
... found seems perfectly reasonable - it prevents these kinds of ambiguities from happening.
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...on your use case, you might also want to know if the 8G in the system come from 2x4GB sticks or 4x2GB sticks.
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How to round to 2 decimals with Python?
...*100)/100) # -> 2.36
print(math.floor(v*100)/100) # -> 2.35
or:
from math import floor, ceil
def roundDown(n, d=8):
d = int('1' + ('0' * d))
return floor(n * d) / d
def roundUp(n, d=8):
d = int('1' + ('0' * d))
return ceil(n * d) / d
...
How does Rails keep track of which migrations have run for a database?
.... If you roll back that migration, Rails will delete the corresponding row from schema_migrations.
For example, running a migration file named 20120620193144_create_users.rb will insert a new row with a version of 20120620193144 into the schema_migrations table.
You are free at any point to introd...
Git, rewrite previous commit usernames and emails
...
I ran this command and now my repo won't push to or pull from the git server.
– Jesus H
Mar 30 '18 at 14:14
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Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
...ch. I would still go with babay's answer, but if you want to save yourself from writing two extra commands I guess this is the way to go.
– Erik B
Jul 8 '13 at 13:32
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How to fix Error: listen EADDRINUSE while using nodejs?
... @UlyssesAlves just open a terminal window and kill the process from there.
– Nobita
Jan 5 '16 at 13:37
@No...
How to tag an older commit in Git?
...ection "On Backdating Tags" which says:
If you have imported some changes from another VCS and would like to add tags for major releases of your work, it is useful to be able to specify the date to embed inside of the tag object; such data in the tag object affects, for example, the ordering of tag...
Convert column classes in data.table
... You might want to add what names_factors is here. I guess it's taken from stackoverflow.com/a/20808945/1666063 so it's names_factors = c('fac1', 'fac2') in this case - which is column names.But it could also be column numbers for example 1;ncol(dt) which would convert all columns
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