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Ruby / Rails: convert int to time OR get time from integer?
...er of seconds (and optional microseconds) from epoch.
API links
ruby-doc.org/core/classes/Time
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Creating hard and soft links using PowerShell
...mlink c:\target\file
You must pass /d to mklink if the target is a directory.
cmd /c mklink /d c:\path\to\symlink c:\target\directory
For hard links, I suggest something like Sysinternals Junction.
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Should the folders in a solution match the namespace?
...ow are:
Project/assembly name is the same as the root namespace, except for the .dll ending
Only exception to the above rule is a project with a .Core ending, the .Core is stripped off
Folders equals namespaces
One type per file (class, struct, enum, delegate, etc.) makes it easy to find the right...
Is there a C# case insensitive equals operator?
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Try this:
string.Equals(a, b, StringComparison.CurrentCultureIgnoreCase);
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Are booleans as method arguments unacceptable? [closed]
...ant to represent a "yes/no", then use a boolean, it should be self-explanatory.
But if it's a choice between two options, neither of which is clearly yes or no, then an enum can sometimes be more readable.
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Insert code into the page context using a content script
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Underlying cause:
Content scripts are executed in an "isolated world" environment.
Solution::
To access functions/variables of the page context ("main world") you have to inject the code that wants to access them into the page itself. Same thing if you want to expose your functions/variab...
java: Class.isInstance vs Class.isAssignableFrom
...be true whenever the class represented by the clazz object is a superclass or superinterface of Foo.
clazz.isInstance(obj) will be true whenever the object obj is an instance of the class clazz.
That is:
clazz.isAssignableFrom(obj.getClass()) == clazz.isInstance(obj)
is always true so long as ...
How to check whether a file or directory exists?
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// exists returns whether the given file or directory exists
func exists(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil { return true, nil }
if os.IsNotExist(err) { return false, nil }
return false, err
}
Edited to add error han...
Convert LocalDate to LocalDateTime or java.sql.Timestamp
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JodaTime
To convert JodaTime's org.joda.time.LocalDate to java.sql.Timestamp, just do
Timestamp timestamp = new Timestamp(localDate.toDateTimeAtStartOfDay().getMillis());
To convert JodaTime's org.joda.time.LocalDateTime to java.sql.Timestamp, just do
Tim...
boolean in an if statement
...a remark about code considering the way I check whether a variable is true or false in a school assignment.
14 Answers
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