大约有 30,000 项符合查询结果（耗时：0.0485秒） [XML]
Determine command line working directory when running node bin script
...rom your module directory you need to use relative paths.
require('../lib/test');
instead of
var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
require(lib + '/test');
It's always relative to file where it called from and don't depend on current work dir.
...
Django DB Settings 'Improperly Configured' Error
... In PyCharm the place to do this is Run | Edit Configurations | (e.g. Unittests in project) | Configuration | Environment | Environment variables: DJANGO_SETTINGS_MODULE=(project directory name).settings
– Bob Stein
May 4 '15 at 10:48
...
What really happens in a try { return x; } finally { x = null; } statement?
...finally {
...
}
return tmp;
for example (using reflector):
static int Test() {
try {
return SomeNumber();
} finally {
Foo();
}
}
compiles to:
.method private hidebysig static int32 Test() cil managed
{
.maxstack 1
.locals init (
[0] int32 CS$1$0000...
What is the worst gotcha in C# or .NET? [closed]
... nasty situations like this:
using System;
using System.Threading;
class Test
{
static void Main()
{
for (int i=0; i < 10; i++)
{
ThreadStart ts = delegate { Console.WriteLine(i); };
new Thread(ts).Start();
}
}
}
What will that print...
Performance difference for control structures 'for' and 'foreach' in C#
...L_002f: endfinally
} // end handler
IL_0030: ret
} // end of method Test::IterateOverList
The compiler treats arrays differently, converting a foreach loop basically to a for loop, but not List<T>. Here's the equivalent code for an array:
static void IterateOverArray(object[] array)
...
How to make an immutable object in Python?
...f, a, b):
self.a, self.b = a, b
It works both Python 2.x and 3.
Tests
# compile on-the-fly
import pyximport; pyximport.install() # $ pip install cython
from immutable import Immutable
o = Immutable(1, 2)
assert o.a == 1, str(o.a)
assert o.b == 2
try: o.a = 3
except AttributeError:
...
Error when trying to obtain a certificate: The specified item could not be found in the keychain
... :( :P what the falooda??? Seriously, there needs to be some user friendly alert or message.
– Adil Soomro
Jan 6 '16 at 19:32
2
...
GPU Emulator for CUDA programming without the hardware [closed]
...Is there an emulator for a Geforce card that would allow me to program and test CUDA without having the actual hardware?
7 ...
Google Map API V3: How to add Custom data to markers
... manner:
google.maps.event.addListener(markerA, 'click', function() {
alert(this.customInfo);
});
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...start transaction; create temporary table temporary_table as select * from test where false; copy temporary_table from 'data_file.csv'; lock table test; update test set data=temporary_table.data from temporary_table where test.id=temporary_table.id; insert into test select * from temporary_table whe...