Hello. I'm having a problem with the module subprocess. I'm running a script from python through: subprocess.Popen('./run_pythia.sh',shell=True).communicate() and sometimes it just blocks and it doesn't finish to execute the script. Before I was using .wait() instead of .communicate() but then because of this: http://dcreager.net/2...
Hi , I have many directories and need to delete them periodically with minimum time. Additionally for each directories delete status need to know i.e whether deleted successfully or not. I need to write on the ksh . Could you please help me out. The sample code which I am using, in which I tried launching rm-rf in the background, is no...
Hi gents, We all know that in order to invoke Object.wait() , this call must be placed in synchronized block,otherwise,IllegalMonitorStateException is thrown.But what's the reason for making this restriction?I know that wait() releases the monitor, but why do we need to explicitly acquire the monitor by making particular block synchroni...
I have an application that fires 2 threads, the 1st launches another class to do some processing which in turn launches a 3rd class to do yet more processing. The 2nd thread in the main class should wait until some event in the 3rd class completes before it performs its job. How can this be achieved? I had tried implementing a wait/not...
After reinstalling service wrote in python on the virtual machine with gentoo i get strange situation with open new sockets in scripts. Python wait(up to 1 minute) to start opening sockets for tcp connections, and this cause tcp timeouts on above servers. Grateful for help) ...
When my app starts, it checks to see if it has stored login credentials. if it doesn't, it starts another activity to prompt the user for those credentials. My problem is, that when the prompt activity is started, the first activity continues execution and ends up with null pointers because the prompt activity has not yet returned the ne...
My application that wraps around Oracle Data pump's executables IMPDP and EXPDP takes random amounts of time for the same work. On further investigation, I see it waiting for again random amounts of time with the event 'wait for unread message on broadcast channel'. This makes the application take anytime b/w 10 minutes to over an hour f...
When init the NSXLParser as below: NSXMLParser* xmlParser=[[NSXMLParser alloc] initWithContentsOfURL:[NSURL URLWithString:urlstring]]; if the server is down, it will wait for quite some time before the thread returns. It is really annoying even if I exit the application and restart the application, it will continue to wait with a blac...
Hi, I have a script where I launch with popen a shell command. The problem is that the script don't wait that popen command is finished and go forward. om_points = os.popen(command, "w") ..... How can I tell to my python script to wait until the shell command has finished? Thanks. ...
Hello, i have a silverlight app which calls a webservice. that webservice encodes a wav file to mp3 format. how should be the best way to wait for full mp3 file creation? regards ...
hi, I am calling a subactivity from main activity. This subactivity should take few numbers from user (i'm using Edit text control to achieve this), save them to static variable in another class and terminate. I want main activity to wait for subactivity but both are just running simultaneously. Even doing sth like that doesn't help: ...
I am trying to display wait cursor (spinning rainbow wheel) by using "QDDisplayWaitCursor" function, but I get a warning that "QDDisplayWaitCursor" is deprecated, however everything runs fine but I would like to replace it with proper alternative of this function but I didnt find any google result and also in apple docs. ...
I want to show the wait cursor before my WPF application, composed using CAL, fully loads. In the constructor of the main window, I have the following code: public MainWindow([Dependency] IUnityContainer container) { InitializeComponent(); C...
is it possible to configure the ANT to pause the building process untill a file is created (with relative timeout)? ...
I am writing a windows batch script to uninstall some software. However I need to wait after the uninstaller has finished for a service to be restarted before continuing with the next uninstall. I can make the script wait for the uninstaller to finsh using:- for /f "usebackq" %%M in ('tasklist /nh /fi "imagename eq %process_1%"') do...
Hey guys, I have a asynchronous url request within a for loop. This loop is called 20 times, each time one parameter of the webaddress is changed. Everytime the didFinishLoading method is called I want to hand over the data of this specific webadress. The problem now is that when I run the for loop, the didFinishLoading method is not c...
I've just been messing around with threads in Java to get my head around them (it seems like the best way to do so) and now understand what's going on with synchronize, wait() and notify(). I'm curious about whether there's a way to wait() on two resources at once. I think the following won't quite do what I'm thinking of (edit: note th...
Is it possible to skip to the end of a process's allocated time-quantum? I have a program that works in parallel on a piece of shared memory, and then all of the processes need to wait for the others to finish and sync up before the next step. Each process will do a maximum of one iteration more than any other, so any timing difference...
Hi, I create jsp page using JSF Framework. If i perform some action(Login), then go to the backend and perform some process and it will return some value. Here this whole process will be taken some times. Now that time i want to show processing status (wait or busy status) in Mouse. That means after i press Login button , i want to sho...
I learned that calling an Object's wait() method will release the object monitor, if present. But I have some questions regarding calling notify() on this object by another thread: (when) will the waiting thread wake up, if another (a 3rd) thread owns the object monitor in the meanwhile? will the waiting thread wake up, if a 3rd threa...