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Is there a command like “watch” or “inotifywait” on the Mac?
...st version="1.0">
<dict>
<key>Label</key>
<string>logger</string>
<key>ProgramArguments</key>
<array>
<string>/usr/bin/logger</string>
<string>path modified</string>
</array>
<...
What code analysis tools do you use for your Java projects? [closed]
...ault configuration suppresses warning generation on lines of code with the string "NOPMD" in a comment. Also, PMD supports Java's @SuppressWarnings annotation. I configure PMD to use comments containing "SuppressWarning(PMD." instead of NOPMD so that PMD suppressions look alike. I fill in the partic...
Ant task to run an Ant target only if a file exists?
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Check Using Filename filters like DB_*/**/*.sql
Here is a variation to perform an action if one or more files exist corresponding to a wildcard filter. That is, you don't know the exact name of the file.
Here, we are looking for "*.sql" files in any sub-dire...
Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...y object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
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What is the difference between a strongly typed language and a statically typed language?
...amic) type error.
For example, Lua, a dynamically typed language, has a string type, a number type, and a Boolean type, among others. In Lua every value belongs to exactly one type, but this is not a requirement for all dynamically typed languages. In Lua, it is permissible to concatenate two s...
Is std::vector copying the objects with a push_back?
...object class.
class object
{
private:
int m_val1;
std::string m_val2;
public:
// Constructor for object class.
object(int val1, std::string &&val2) :
m_val1(val1),
m_val2(std::move(val2))
{
}
};
std::vector<object> myList;
// ...
Setting CSS pseudo-class rules from JavaScript
...A function to cope with the cross-browser stuff:
addCssRule = function(/* string */ selector, /* string */ rule) {
if (document.styleSheets) {
if (!document.styleSheets.length) {
var head = document.getElementsByTagName('head')[0];
head.appendChild(bc.createEl('style'));
}
...
matplotlib does not show my drawings although I call pyplot.show()
Help required on matplotlib. Yes, I did not forget calling the pyplot.show().
14 Answers
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TemplateDoesNotExist - Django Error
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Make sure you have rest_framework listed in your settings.py INSTALLED_APPS.
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Rails formatting date
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It's a time formatting function which provides you a way to present the string representation of the date. (http://ruby-doc.org/core-2.2.1/Time.html#method-i-strftime).
From APIdock:
%Y%m%d => 20071119 Calendar date (basic)
%F => 2007-11-19 ...