大约有 16,000 项符合查询结果（耗时：0.0206秒） [XML]
Count occurrences of a char in plain text file
...000 occurences of the searched character:
real 0m0.089s
user 0m0.057s
sys 0m0.027s
Time for Vereb answer with echo, cat, tr and bc for the same file:
real 0m0.168s
user 0m0.059s
sys 0m0.115s
Time for Rob Hruska answer with tr, sed and wc for the same file:
real 0m0.465s
user ...
What is the best way to call a script from another script?
... to pass command-line arguments to the script, you could edit sys.argv list.
– jfs
Jan 13 '15 at 18:09
1
...
How can I easily view the contents of a datatable or dataview in the immediate window
...T ABOUT e.Message + e.StackTrace from Bromberg eggcafe
int output = System.Convert.ToInt16(System.Configuration.ConfigurationSettings.AppSettings["DebugOutput"] );
//0 - do not debug anything just run the code
switch (output)
{
//do not debug anything
case 0:
msg = String.Empty...
int value under 10 convert to string two digit number
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
Why shouldn't Java enum literals be able to have generic type parameters?
...e is erased.
public <T> T getValue(MyEnum<T> param);
public T convert(Object);
To realise those methods you could however construct your enum as:
public enum MyEnum {
LITERAL1(String.class),
LITERAL2(Integer.class),
LITERAL3(Object.class);
private Class<?> claz...
Nullable type as a generic parameter possible?
...
I think you want to handle Reference types and struct types.
I use it to convert XML Element strings to a more typed type.
You can remove the nullAlternative with reflection.
The formatprovider is to handle the culture dependent '.' or ',' separator in e.g. decimals or ints and doubles.
This may w...
Generic type conversion FROM string
...this one helps.
public class TypedProperty<T> : Property where T : IConvertible
{
public T TypedValue
{
get { return (T)Convert.ChangeType(base.Value, typeof(T)); }
set { base.Value = value.ToString();}
}
}
...
An explicit value for the identity column in table can only be specified when a column list is used
...entity column, why do you even need an identity column? Just use a regular int instead.
Details on Solution 1
Instead of
SET IDENTITY_INSERT archive_table ON;
INSERT INTO archive_table
SELECT *
FROM source_table;
SET IDENTITY_INSERT archive_table OFF;
you need to write
SET IDENTITY_INSERT a...
e.printStackTrace equivalent in python
...immediately.
The same semantics in Python 2 are:
import traceback
import sys
try: # code that may raise an error
pass
except IOError as e: # exception handling
# in Python 2, stderr is also unbuffered
print >> sys.stderr, traceback.format_exc()
# in Python 2, you can also fr...
Convert any object to a byte[]
...
checkout this article :http://www.morgantechspace.com/2013/08/convert-object-to-byte-array-and-vice.html
Use the below code
// Convert an object to a byte array
private byte[] ObjectToByteArray(Object obj)
{
if(obj == null)
return null;
BinaryFormatter bf = new Binar...