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Equivalent of strace -feopen < command > on mac os X
...day, sudo dtruss doesn't work for me. It's as if Python is not executed at all!
– Dima Tisnek
Jul 18 '13 at 14:27
2
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How do you format an unsigned long long int using printf?
... Or to be precise it's for GNU libc, and doesn't work with Microsoft's C runtime.
– Mark Baker
Oct 8 '08 at 9:35
171
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Command line to remove an environment variable from the OS level configuration
...OBAR
If the variable is set in the system environment (e.g. if you originally set it with setx /M), as an administrator run:
REG delete "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /F /V FOOBAR
Note: The REG commands above won't affect any existing processes (and some new...
How to turn off INFO logging in Spark?
I installed Spark using the AWS EC2 guide and I can launch the program fine using the bin/pyspark script to get to the spark prompt and can also do the Quick Start quide successfully.
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Vagrant error : Failed to mount folders in Linux guest
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The plugin vagrant-vbguest solved my problem:
$ vagrant plugin install vagrant-vbguest
Output:
$ vagrant reload
==> default: Attempting graceful shutdown of VM...
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==> default: Machine booted and ready!
GuestAdditions 4.3.12 running --- OK.
==> default: Checking for guest addi...
Generate JSON string from NSDictionary in iOS
...ctionary I need to generate a JSON string by using dictionary . Is it possible to convert it? Can you guys please help on this?
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Setting custom UITableViewCells height
...ulate the cell height needed and return that calculated value here to make all cells visible
– Vinayak GH
Jan 11 '16 at 7:39
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Android AsyncTask testing with Android Test Framework
...some service which worked with Executors, and I needed to have my service callbacks sync-ed with the test methods from my ApplicationTestCase classes. Usually the test method itself finished before the callback would be accessed, so the data sent via the callbacks would not be tested. Tried applying...
How the single threaded non blocking IO model works in Node.js
...ks.
After I read the article understanding-the-node-js-event-loop , I'm really confused about it.
It gave an example for the model:
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Why I cannot cout a string?
...-defined <xstring> header (never include that directly)). While that allows you to use the string class, the relevant operator<< is defined in the <string> header itself, so you must include that manually. Also relying on other headers to indirectly include the definition of std::b...