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is_file or file_exists in PHP
I need to check if a file is on HDD at a specified location ($path.$file_name).
5 Answers
...
Spring RestTemplate - how to enable full debugging/logging of requests/responses?
... : http-outgoing-0 >> User-Agent: Apache-HttpClient/4.5.2 (Java/1.8.0_102)
-DEBUG org.apache.http.headers : http-outgoing-0 >> Accept-Encoding: gzip,deflate
-DEBUG org.apache.http.wire : http-outgoing-0 >> "POST /v0/users HTTP/1.1[\r][\n]"
-DEBU...
/bin/sh: pushd: not found
... If it's just a oneliner, the following may also work (cd /new_path ; command )
– barney765
Aug 5 '17 at 7:31
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How do you convert a byte array to a hexadecimal string, and vice versa?
... & 0xF)]);
}
return result.ToString();
}
static readonly uint* _lookup32UnsafeP = (uint*)GCHandle.Alloc(_Lookup32, GCHandleType.Pinned).AddrOfPinnedObject();
static string ByteArrayToHexViaLookup32UnsafeDirect(byte[] bytes) {
var lookupP = _lookup32UnsafeP;
var result = new strin...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
..., timedelta
class MyModel(models.Model):
# default to 1 day from now
my_date = models.DateTimeField(default=datetime.now() + timedelta(days=1))
This last line is not defining a function; it is invoking a function to create a field in the class.
PRE Django 1.7
Django lets you pass a callable...
How to calculate age (in years) based on Date of Birth and getDate()
...s...
(yyyyMMdd - yyyyMMdd) / 10000 = difference in full years
declare @as_of datetime, @bday datetime;
select @as_of = '2009/10/15', @bday = '1980/4/20'
select
Convert(Char(8),@as_of,112),
Convert(Char(8),@bday,112),
0 + Convert(Char(8),@as_of,112) - Convert(Char(8),@bday,112),
...
Generating Guids in Ruby
... answered Mar 5 '12 at 20:45
J _J _
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...
Storing SHA1 hash values in MySQL
...INARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int unsigned auto_increment primary key,
`password` binary(20) not null
);
CREATE TABLE `char` (
`id` int unsigned auto_increment primary key,
`password` char(40) not null
);
With million of records binary(20) takes 44.56M, whil...
“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
...is solved the problem for me:
def serialize(self):
return {
my_int: int(self.my_int),
my_float: float(self.my_float)
}
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Python: avoid new line with print command [duplicate]
...thon 3. To suppress the space character as well, you can either use
from __future__ import print_function
to get access to the Python 3 print function or use sys.stdout.write().
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