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How to delete a folder with files using Java
...external dependency, which is an important thing to keep in mind. The only time using an external dependency like this is this simple is when you're doing a personal home project, or your company really doesn't care about the possibility of getting sued.
– searchengine27
...
How do I force Postgres to use a particular index?
...ght be a good query plan today probably won't be a good query plan for all time, and index hints force a particular query plan for all time.
As a very blunt hammer, useful for testing, you can use the enable_seqscan and enable_indexscan parameters. See:
Examining index usage
enable_ parameters
...
RSpec vs Cucumber (RSpec stories) [closed]
...ork with a non-technical member of a project who would want to waste their time reading tests. I dunno, maybe I'm lucky...
– Graham Ashton
Jul 23 '12 at 15:28
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Waiting until two async blocks are executed before starting another block
...TY_HIGH, 0), ^ {
// block1
NSLog(@"Block1");
[NSThread sleepForTimeInterval:5.0];
NSLog(@"Block1 End");
});
dispatch_group_async(group,dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^ {
// block2
NSLog(@"Block2");
[NSThread sleepForTimeInterval:8.0];
NS...
How to change language settings in R
...ee that it would be logical for this to work, but I assume that in the meantime Windows has several other language configuration directives (maybe the system's language, the system's keyboard layout) that interact in complex and intransparent ways.
– 0range
Mar...
How do pointer to pointers work in C?
...u know!”
“Well, what is the song, then?” said Alice, who was by this time completely bewildered.
“I was coming to that,” the Knight said. “The song really is ‘A-sitting On A Gate’: and the tune's my own invention.”
...
How to change the docker image installation directory?
...
I think it's time to give this answer the "accepted" flag, because it's working in the current version.
– The Bndr
Feb 14 '19 at 9:52
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Why is good UI design so hard for some Developers? [closed]
Some of us just have a hard time with the softer aspects of UI design ( myself especially ). Are "back-end coders" doomed to only design business logic and data layers? Is there something we can do to retrain our brain to be more effective at designing pleasing and useful presentation layers?
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How can I measure the actual memory usage of an application or process?
...snapshots of a program's heap. It produces a graph showing heap usage over time, including information about which parts of the program are responsible for the most memory allocations. The graph is supplemented by a text or HTML file that includes more information for determining where the most memo...
What is the difference between require() and library()?
... use library(), because this will give an error message at package loading time if the package is not available. require() will just fail without an error if the package is not there. This is the best time to find out if the package needs to be installed (or perhaps doesn't even exist because it it ...