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pythonic way to do something N times without an index variable?
...lds an improvement of approximately 30% over the standard for loop and an extra 19% over Martelli's.
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Foreign Key naming scheme
... style I'm actually using (but with camelCase)- I thought I'd add a bit of extra description into the names for the purposes of illustrating their linkages.
– nickf
Oct 14 '08 at 0:11
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How can I strip first X characters from string using sed?
...riables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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How to inspect the return value of a function in GDB?
...ue -- given the program
int fun() {
return 42;
}
int main( int argc, char *v[] ) {
fun();
return 0;
}
You can debug it as such --
(gdb) r
Starting program: /usr/home/hark/a.out
Breakpoint 1, fun () at test.c:2
2 return 42;
(gdb) finish
Run till exit from #0 fun () a...
How do I size a UITextView to its content?
...PostText.contentSize.height;
self.mainPostText.frame = _f;
It fixes the "extra line" problem on 6+.
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mongodb: insert if not exists
...u want to do an "upsert". MongoDB has built-in support for this. Pass an extra parameter to your update() call: {upsert:true}. For example:
key = {'key':'value'}
data = {'key2':'value2', 'key3':'value3'};
coll.update(key, data, upsert=True); #In python upsert must be passed as a keyword argumen...
Unique BooleanField value in Django?
..., self).save(*args, **kwargs)
@Ellis Percival: Hits the database only one extra time and accepts the current entry as the chosen one. Clean and elegant.
from django.db import transaction
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.Bool...
How do I call the default deserializer from a custom deserializer in Jackson
...lizer) defaultDeserializer).resolve(ctxt);
}
public static void main(String[] args) throws JsonParseException, JsonMappingException, IOException
{
SimpleModule module = new SimpleModule();
module.setDeserializerModifier(new BeanDeserializerModifier()
{
@Override public Json...
How to loop through file names returned by find?
if I run the above piece of code in Bash shell, what I get is a string containing several file names separated by blank, not a list.
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How to POST raw whole JSON in the body of a Retrofit request?
...s JSON as the sole body of the request.
public class FooRequest {
final String foo;
final String bar;
FooRequest(String foo, String bar) {
this.foo = foo;
this.bar = bar;
}
}
Calling with:
FooResponse = foo.postJson(new FooRequest("kit", "kat"));
Will yield the following body:...