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OSError: [Errno 2] No such file or directory while using python subprocess in Django
...
Use shell=True if you're passing a string to subprocess.call.
From docs:
If passing a single string, either shell must be True or
else the string must simply name the program to be executed without
specifying any arguments.
subprocess.call(crop, she...
EF LINQ include multiple and nested entities
...t it to include data from other tables.
The Include syntax can also be in string. Like this:
db.Courses
.Include("Module.Chapter")
.Include("Lab")
.Single(x => x.Id == id);
But the samples in LinqPad explains this better.
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Is there a macro recorder for Eclipse? [closed]
Is there a good Eclipse plugin for recording and playing back macros?
9 Answers
9
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How to initialise memory with new operator in C++?
...; i < 10; i++)
{
p[i] = 0;
}
Using std::memset function from <cstring>
int* p = new int[10];
std::memset(p, 0, sizeof(int) * 10);
Using std::fill_n algorithm from <algorithm>
int* p = new int[10];
std::fill_n(p, 10, 0);
Using std::vector container
std::vector<int> v...
What is the lifetime of a static variable in a C++ function?
...r of construction must be taken into account.
Example
struct emitter {
string str;
emitter(const string& s) : str(s) { cout << "Created " << str << endl; }
~emitter() { cout << "Destroyed " << str << endl; }
};
void foo(bool skip_first)
{
if ...
Example of Named Pipes
...ace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
StartServer();
Task.Delay(1000).Wait();
//Client
var client = new NamedPipeClientStream("PipesOfPiece");
client.Connect();
Str...
Regex to validate date format dd/mm/yyyy
I need to validate a date string for the format dd/mm/yyyy with a regular expresssion.
20 Answers
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how to check the jdk version used to compile a .class file [duplicate]
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You're looking for this on the command line (for a class called MyClass):
On Unix/Linux:
javap -verbose MyClass | grep "major"
On Windows:
javap -verbose MyClass | findstr "major"
You want the major version from the results. Here are some example values...
Image, saved to sdcard, doesn't appear in Android's Gallery app
...canFile():
File imageFile = ...
MediaScannerConnection.scanFile(this, new String[] { imageFile.getPath() }, new String[] { "image/jpeg" }, null);
where this is your activity (or whatever context), the mime-type is only necessary if you are using non-standard file extensions and the null is for th...
Kill process by name?
...t, err = p.communicate()
gives you ps -A's output in the out variable (a string). You can break it down into lines and loop on them...:
>>> for line in out.splitlines():
... if 'iChat' in line:
... pid = int(line.split(None, 1)[0])
... os.kill(pid, signal.SIGKILL)
...
(you ...