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Only mkdir if it does not exist [duplicate]
...and must already exist. On the other hand, with this option specified, no error will be reported if a directory
given as an operand already exists. Intermediate directories are created with permission bits of rwxrwxrwx
(0777) as modified by the current umask, plus write and searc...
Linux平台编译curl：checking run-time libs availability... failed - 更...
...失败如下， checking run-time libs availability failed configure: error: one or more libs av 64位编译
1）configure过程失败如下，
checking run-time libs availability... failed
configure: error: one or more libs available at link-time are not available run...
What should my Objective-C singleton look like? [closed]
...y and do something like [[MySingelton alloc] init] you will get a run time error (though not a compile time error unfortunately). I don't understand how all the details of the object creation, but you implement + (id) allocWithZone:(NSZone *)zone which is called in sharedSingleton
...
Benefits of header-only libraries
...mpiler or a different version of the same compiler then you may get linker errors or strange runtime behaviour due to binary incompatibility.
For example compiler vendors often change their implementation of the STL between versions. If you have a function in a library that accepts a std::vector th...
Saving grid.arrange() plot to file
...
When I try this I get an error telling me that g is not of the right type?
– Jack Aidley
Jun 16 '14 at 12:20
...
How to properly use unit-testing's assertRaises() with NoneType objects? [duplicate]
...tRaises to be use as a context manager and do:
with self.assertRaises(TypeError):
self.testListNone[:1]
If you are using python2.6 another way beside the one given until now is to use unittest2 which is a back port of unittest new feature to python2.6, and you can make it work using the code ...
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
...ks for your solution. How would you solve number input issue? It throws an error docs.angularjs.org/error/ngModel/numfmt?p0=20.12
– mate.gwozdz
Dec 6 '17 at 14:33
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How can I enable or disable the GPS programmatically on Android?
...dn't give up on trying this... just be sure that your code will handle any errors if it doesn't work!
– SilithCrowe
Jun 22 '11 at 16:47
1
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“find: paths must precede expression:” How do I specify a recursive search that also finds files in
...like:
find . -name bobtest.c cattest.c snowtest.c
...causing the syntax error. So try this instead:
find . -name '*test.c'
Note the single quotes around your file expression -- these will stop the shell (bash) expanding your wildcards.
...
Run php script as daemon process
... script!
# Note, in this example, if your PHP script returns
# the string "ERROR", the daemon will stop itself.
script
[ $(exec /usr/bin/php -f /path/to/your/script.php) = 'ERROR' ] && ( stop; exit 1; )
end script
Starting & stopping your daemon:
sudo service myphpworker start
sud...