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std::string length() and size() member functions
I was reading the answers for this question and found that there is actually a method called length() for std::string (I always used size() ). Is there any specific reason for having this method in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is ...
Cross-platform way of getting temp directory in Python
...mething on temporaryfile')
f.seek(0) # return to beginning of file
print f.read() # reads data back from the file
f.close() # temporary file is automatically deleted here
For completeness, here's how it searches for the temporary directory, according to the documentation:
The directory named by ...
Linq to EntityFramework DateTime
...SQL for DateTime.Add() which makes sense.
A quick work-around would be to read the results of the first Where statement into memory and then use LINQ to Objects to finish filtering:
Context.Article.Where(p => p.StartDate < DateTime.Now)
.ToList()
.Where(p => ...
What to do Regular expression pattern doesn't match anywhere in string?
...nputs.
Here's some Perl (pseudo)code to show you what I mean:
my $html = readLargeInputFile();
my @input_tags = $html =~ m/
(
<input # Starts with "<input"
(?=[^>]*?type="hidden") # Use lookahead to make sure that type="hidden"
[^>]...
psycopg2: insert multiple rows with one query
...
Just confirmed this improvement myself. From what I've read psycopg2's executemany doesn't do anything optimal, just loops and does many execute statements. Using this method, a 700 row insert to a remote server went from 60s to <2s.
– Nelson
...
Traits vs. interfaces
...If you're still interested in traits and their relationship to interfaces, read on ...
Let's start by saying this:
Object-Oriented Programming (OOP) can be a difficult paradigm to grasp.
Just because you're using classes doesn't mean your code is
Object-Oriented (OO).
To write OO code y...
How to make git diff --ignore-space-change the default
...
I was thinking that from reading that page too. I was hoping someone knew a way that just wasn't documented.... oh well.
– boatcoder
Sep 6 '11 at 0:18
...
Private setters in Json.Net
... came here looking for the actual attribute that makes Json.NET populate a readonly property when deserializing, and that's simply [JsonProperty], e.g.:
[JsonProperty]
public Guid? ClientId { get; private set; }
Alternative Solution
Just provide a constructor that has a parameter matching your p...
How to keep a git branch in sync with master
...master
to keep mobiledevicesupport in sync with master
then when you're ready to put mobiledevicesupport into master, first merge in master like above, then ...
git checkout master
git merge mobiledevicesupport
git push origin master
and thats it.
the assumption here is that mobilexxx is a to...
Relative paths in Python
...
It's 2018 now, and Python have already evolve to the __future__ long time ago. So how about using the amazing pathlib coming with Python 3.4 to accomplish the task instead of struggling with os, os.path, glob, shutil, etc.
So we have 3 paths here (possibly ...