大约有 13,700 项符合查询结果（耗时：0.0291秒） [XML]
What’s the best way to check if a file exists in C++? (cross platform)
...turns "true" on non-existent files on network shares: "\\machine\share\this_file_doesnt_exist" => true. Last time I checked was on boost 1.33, use caution...
– rlerallut
Nov 6 '08 at 12:54
...
Python executable not finding libpython shared library
...
Try the following:
LD_LIBRARY_PATH=/usr/local/lib /usr/local/bin/python
Replace /usr/local/lib with the folder where you have installed libpython2.7.so.1.0 if it is not in /usr/local/lib.
If this works and you want to make the changes permanen...
Can Powershell Run Commands in Parallel?
...
# Execute the jobs in parallel
Start-Job $ScriptBlock -ArgumentList $_
}
Get-Job
# Wait for it all to complete
While (Get-Job -State "Running")
{
Start-Sleep 10
}
# Getting the information back from the jobs
Get-Job | Receive-Job
...
Can I find events bound on an element with jQuery?
...
In modern versions of jQuery, you would use the $._data method to find any events attached by jQuery to the element in question. Note, this is an internal-use only method:
// Bind up a couple of event handlers
$("#foo").on({
click: function(){ alert("Hello") },
mous...
Maven fails to find local artifact
...Maven repo tracks where artifacts originally came from using a file named "_maven.repositories" in the artifact directory. After removing it, the build worked. This answer fixed the problem for me.
share
|
...
Is there a MySQL option/feature to track history of changes to records?
...
For example, if you have a table like this:
CUSTOMER
---------
CUSTOMER_ID PK
CUSTOMER_NAME
CUSTOMER_ADDRESS
and you wanted to keep track over time, you would amend it as follows:
CUSTOMER
------------
CUSTOMER_ID PK
CUSTOMER_VALID_FROM PK
CUSTOMER_VALID_UNTIL PK
CUSTOMER_STAT...
How do I read from parameters.yml in a controller in symfony2?
...and then - the needed parameter.
$this->container->getParameter('api_user');
This documentation chapter explains it.
While $this->get() method in a controller will load a service (doc)
In Symfony 2.7 and newer versions, to get a parameter in a controller you can use the following:
$th...
Play a Sound with Python [duplicate]
...t's built in
import winsound
winsound.PlaySound('sound.wav', winsound.SND_FILENAME)
You should be able to use ossaudiodev for linux:
from wave import open as waveOpen
from ossaudiodev import open as ossOpen
s = waveOpen('tada.wav','rb')
(nc,sw,fr,nf,comptype, compname) = s.getparams( )
dsp = os...
Android: Difference between onInterceptTouchEvent and dispatchTouchEvent?
...s hijacked (by returning true from onInterceptTouchEvent) it sends a ACTION_CANCEL to the child views so they can abandon their touch event processing (from previous touch events) and from then onwards all touch events at the parent level are dispatched to onTouchListener.onTouch (if defined) or onT...
Specifying an Index (Non-Unique Key) Using JPA
...Table;
@Entity
@Table(name = "region",
indexes = {@Index(name = "my_index_name", columnList="iso_code", unique = true),
@Index(name = "my_index_name2", columnList="name", unique = false)})
public class Region{
@Column(name = "iso_code", nullable = false)
priva...