大约有 31,100 项符合查询结果（耗时：0.0376秒） [XML]
How to split csv whose columns may contain ,
...can also read from a file
// TextFieldParser parser = new TextFieldParser("mycsvfile.csv");
parser.HasFieldsEnclosedInQuotes = true;
parser.SetDelimiters(",");
string[] fields;
while (!parser.EndOfData)
{
fields = parser.ReadFields();
foreach (string field in fields)
{
Console...
Why would one use REST instead of SOAP based services? [closed]
... with the concept of a message envelope that contains request context.
In my experience SOAP has been preferred for services within the enterprise and REST has been preferred for services that are exposed as public APIs.
With tools like WCF in the .NET framework it is very trivial to implement a s...
How to do case insensitive string comparison?
...lues such as UUID then you might not. This why I use following function in my utils library (note that type checking is not included for performance reason).
function compareStrings (string1, string2, ignoreCase, useLocale) {
if (ignoreCase) {
if (useLocale) {
string1 = stri...
About catching ANY exception
... right away - see the following example from the docs:
try:
f = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except IOError as (errno, strerror):
print "I/O error({0}): {1}".format(errno, strerror)
except ValueError:
print "Could not convert data to an integer."
except...
Is if(items != null) superfluous before foreach(T item in items)?
...ch in turn degrades to enumerator to an interface making iteration slower. My test showed a factor 5 degradation for iteration over an int array.
– CodesInChaos
Jun 23 '11 at 14:41
...
Compare double to zero using epsilon
... also representable, assuming that the exponent can store -4. You can take my word for it that an IEEE double can store exponents less than the exponent of epsilon.
You can't tell from this code alone whether it makes sense or not to use epsilon specifically as the bound, you need to look at the co...
LEFT JOIN only first row
...
Wrong for the question…but exactly what I want. In my case, I just want the first ID from the table I'm joining in.
– Drew Stephens
Feb 8 '17 at 20:42
2
...
Caveats of select/poll vs. epoll reactors in Twisted
...
My two cents on the behavior of reading from ordinary files: I generally prefer outright failure to performance degradation. The reason is that it's much more likely to be detected during development, and thus worked around ...
Best way to do multi-row insert in Oracle?
...rform multi-row inserts into an Oracle 9 database. The following works in MySQL but doesn't seem to be supported in Oracle.
...
Accessing Imap in C# [closed]
...
In the hope that it will be useful to some, you may want to check out my go
at it:
S22.Imap
While there are a couple of good and well-documented IMAP libraries for .NET
available, none of them are free for personal, let alone commercial use...and
I was just not all that satisfied with the mos...