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Setting variable to NULL after free

... int *nPtr=NULL;. Now, I would agree that this would be redundant, with a malloc following right in the next line. However, if there is code between the declaration and the first initialization, somebody might start using the variable even though it has no value yet. If you null-initialize, you get ...
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REST vs JSON-RPC? [closed]

...ions(HTTP headers + representation). For example: It's possible (and actually mandatory) to embed links annotated with link relation types which convey meanings of these URIs; Client implementations do not need to depend on particular procedure names and arguments. Instead, clients depend on messa...
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django: BooleanField, how to set the default value to true?

...fields/#django.forms.Field.initial ) like class MyForm(forms.Form): my_field = forms.BooleanField(initial=True) If you're using a ModelForm, you can set a default value on the model field ( https://docs.djangoproject.com/en/2.2/ref/models/fields/#default ), which will apply to the resulting M...
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What is normalized UTF-8 all about?

...w has a PHP library ) contains the classes needed to help normalize UTF-8 strings to make it easier to compare values when searching. ...
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How to match all occurrences of a regex

... Using scan should do the trick: string.scan(/regex/) share | improve this answer | follow | ...
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force Maven to copy dependencies into target/lib

...tions> <execution> <phase>install</phase> <goals> <goal>copy-dependencies</goal> </goals> <configuration> <outputDirectory>${proj...
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Java associative-array

... arrays, however this could easily be achieved using a Map. E.g., Map<String, String> map = new HashMap<String, String>(); map.put("name", "demo"); map.put("fname", "fdemo"); // etc map.get("name"); // returns "demo" Even more accurate to your example (since you can replace String w...
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Convert string to nullable type (int, double, etc…)

...tempting to do some data conversion. Unfortunately, much of the data is in strings, where it should be int's or double, etc... ...
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Maven2: Missing artifact but jars are in place

... settings in the global or user settings. Check you're using the Maven installation you expect. By default m2eclipse uses the embedder, if you have a separate installation you may want to configure m2eclipse to use the external installation so that CLI and Eclipse builds are consistent. This also en...
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How can I get clickable hyperlinks in AlertDialog from a string resource?

...nes and colors any hyperlinks (defined using <a href="..."> in the string resource passed to Builder.setMessage ) supplied the links do not become clickable. ...