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When you exit a C application, is the malloc-ed memory automatically freed?
...Not freeing resources crosses it. The YAGNI principle was also meant to be applied to features, not code that makes the program work correctly. (And not freeing memory is a bug).
– Yacoby
Feb 6 '10 at 15:53
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Global access to Rake DSL methods is deprecated
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Adding include Rake::DSL to the Rakefile before the applications load_tasks were called also worked for me.
So in the above user's case before the DemoApp::Application.load_tasks in the Rakefile.
shar...
Rails: Adding an index after adding column
Suppose I created a table table in a Rails app. Some time later, I add a column running:
5 Answers
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Intermittent log4net RollingFileAppender locked file issue
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Try adding
<lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
to your <appender /> element. There is some performance impact because this means that log4net will lock the file, write to it, and unlock it for each write operation (as oppos...
How to redirect output of an entire shell script within the script itself?
...t of script with redirection...
} > file1 2>file2 # ...and others as appropriate...
#...residue of script without redirection...
The braces '{ ... }' provide a unit of I/O redirection. The braces must appear where a command could appear - simplistically, at the start of a line or after a s...
When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...n oriented data stores. It's proven and suitable for 99% of the real world applications. You can practically do anything with relational databases.
But, there are limitations on speed and scaling when it comes to massive high availability data stores. For example, Google and Amazon have terabytes o...
Get hostname of current request in node.js Express
...se you can use it in modules that do not run always inside context of HTTP app
– Radagast the Brown
Nov 21 '12 at 11:41
8
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Postgres dump of only parts of tables for a dev snapshot
...move data from the public schema to user specific schema in a multi-tenant app. Thanks !
– Jeremy F.
Sep 17 '15 at 15:22
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Why does Typescript use the keyword “export” to make classes and interfaces public?
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It is necessary if you are using modules. If you app is toward the larger side, modules are typically a better choice than creating big bundles / loading all your files up front.
– Fenton
May 20 '19 at 8:16
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What is the difference between a thread and a fiber?
...ht-weight, cooperative threads. Both are separate execution paths for your application.
With threads: the current execution path may be interrupted or preempted at any time (note: this statement is a generalization and may not always hold true depending on OS/threading package/etc.). This means tha...