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Why does datetime.datetime.utcnow() not contain timezone information?
...for datetime.utcnow() says:
An aware current UTC datetime can be obtained by calling datetime.now(timezone.utc).
So, datetime.utcnow() doesn't set tzinfo to indicate that it is UTC, but datetime.now(datetime.timezone.utc) does return UTC time with tzinfo set.
So you can do:
>>> import dat...
Procedure expects parameter which was not supplied
...s more that the error is using "procedure" as a generic term (as suggested by the addition of "or function"), rather than implicating it's aware the intent is a SQL DB stored procedure.
– Brian
Oct 15 '12 at 10:06
...
How to disable “Save workspace image?” prompt in R?
...
Get the best of both strategies given by mreq and BondedDust:
Default to not save by adding the following line to your ~/.bashrc:
alias R='R --no-save'
But give yourself an easy way to save on exit by adding this to ~/.Rprofile:
qs <- function(save="yes"...
Get MD5 hash of big files in Python
...
Break the file into 8192-byte chunks (or some other multiple of 128 bytes) and feed them to MD5 consecutively using update().
This takes advantage of the fact that MD5 has 128-byte digest blocks (8192 is 128×64). Since you're not reading the entire...
How to select .NET 4.5.2 as a target framework in Visual Studio
....5.2 Developer Pack
This contains the following components (emphasis added by me):
.NET Framework 4.5.2
.NET Framework 4.5.2 Multi-Targeting Pack: Contains the reference assemblies needed to build apps that target the .NET Framework 4.5.2
.NET Framework 4.5.2 Language Packs
.NET Framework 4.5.2...
Android Facebook integration with invalid key hash
...igest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
}
}
catch (NameNotFoundException e) {
}
catch (NoSuchAlgorithmException e) {
}
Modify "com.example.packagename" with your pack...
Programmatically find the number of cores on a machine
... Instead, you'll need to use one or more of the following methods (guarded by appropriate #ifdef lines):
Win32
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
int numCPU = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NP...
Selecting the first “n” items with jQuery
...
Informative comment by @nickf, but the blog link and graph link doesn't seem to work
– Fractalf
Oct 29 '13 at 8:54
1
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Python/postgres/psycopg2: getting ID of row just inserted
...nd, otherwise (as in my case) cursor.fetchone() will not have any results! By using only cursor .execute() without "anything" before that command you will receive an id.
– TheHeroOfTime
Mar 28 at 1:13
...
Open file in a relative location in Python
Suppose python code is executed in not known by prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' .
...