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Good example of livelock?
I understand what livelock is, but I was wondering if anyone had a good code-based example of it? And by code-based, I do not mean "two people trying to get past each other in a corridor". If I read that again, I'll lose my lunch.
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How can we match a^n b^n with Java regex?
...', 'aab', 'aaaabb', 'aaabbb', 'bbbaaa', 'ababab', 'abc',
str_repeat('a', 5000).str_repeat('b', 5000)
);
$r6 = '/ ^ (?: a (?= a* (\1?+ b) ) )+ \1 $ /x';
# │ │ └──────┘ │ │
# │ │ 1 │ │
# │ └─────...
Waiting until two async blocks are executed before starting another block
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Use dispatch groups: see here for an example, "Waiting on Groups of Queued Tasks" in the "Dispatch Queues" chapter of Apple's iOS Developer Library's Concurrency Programming Guide
Your example could look something like this:
dispatch_group_t group = dispatch_group_create();
dispatch_group_...
What is the best workaround for the WCF client `using` block issue?
...ommunicationException and I don't think most of those exceptions should be retried. I drudged through each exception on MSDN and found a short list of retry-able exceptions (in addition to TimeOutException above). Do let me know if I missed an exception that should be retried.
// The following i...
Call a Javascript function every 5 seconds continuously [duplicate]
...const interval = setInterval(function() {
// method to be executed;
}, 5000);
clearInterval(interval); // thanks @Luca D'Amico
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Windows batch: formatted date into variable
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@CharlesWood, at least I strive for robustness in my own batch files, although these days I often use PowerShell instead.
– Joey
Oct 17 '13 at 20:05
1
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How do I get the result of a command in a variable in windows?
I'm looking to get the result of a command as a variable in a Windows batch script (see how to get the result of a command in bash for the bash scripting equivalent). A solution that will work in a .bat file is preferred, but other common windows scripting solutions are also welcome.
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Batch File; List files in directory, only filenames?
...uestion, but I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names and exclude anything else.
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Batch script to delete files
I have a batch script as follows.
5 Answers
5
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How to verify if a file exists in a batch file?
...omplete tree except some folders, see the answer of this question: Windows batch script to delete everything in a folder except one
Finally copying just means calling COPY and calling another bat file can be done like this:
MYOTHERBATFILE.BAT sync.bat myprogram.ini
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