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delete map[key] in go?
... That crashes unless the key is present. I've added another solution based on your idea.
– user181548
Nov 18 '09 at 6:22
1
...
Change x axes scale in matplotlib
...icker.ScalarFormatter(useOffset=True,
useMathText=False, useLocale=None) Bases: matplotlib.ticker.Formatter
Tick location is a plain old number. If useOffset==True and the data
range is much smaller than the data average, then an offset will be
determined such that the tick labels are mea...
Differences and relationship between glActiveTexture and glBindTexture
...the number you used with glActiveTexture. The sampler will pick the target based on the sampler type. So a sampler2D will pick from the GL_TEXTURE_2D target. This is one reason why samplers have different types.
Now this sounds suspiciously like you can have two GLSL samplers, with different types ...
Why is DarkGray lighter than Gray?
...browsers such as Mosaic also supported any of the other X11 named colours, based on their colour representation as defined on X. Unfortunately, some of the original sixteen named colours have different representations to the X11 equivalents, for example Green is represented in X11 in this colour, wh...
how can I see what ports mongo is listening on from mongo shell?
...m the config file (parsed) and you can infer the ports mongod is listening based on that information. Here's an example:
db.serverCmdLineOpts()
{
"argv" : [
"./mongod",
"-replSet",
"test",
"--rest",
"--dbpath",
"/data/test/r1",
"--port",
...
What is Dispatcher Servlet in Spring?
... Do we need a Dispatcher Servlet xml file when using Annotation Based @RestController ?
– viper
Jun 13 '16 at 9:47
1
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...S (MacOS X)
At its core, macOS is simply a BSD-style UNIX named "Darwin", based on a rather late fork of the BSD code (BSD 4.3), which was then later on even re-synchronized with the (at that time current) FreeBSD 5 code base for the Mac OS 10.3 release, so that Apple could gain full POSIX complian...
How do I calculate tables size in Oracle
...E is CHOOSE), gathering statistics can cause Oracle to stop using the rule-based optimizer and start using the cost-based optimizer for a set of queries which can be a major performance headache if it is done unexpectedly in production. If your statistics are accurate, you can query USER_TABLES (or...
Case insensitive searching in Oracle
... force a full table scan. In order to avoid this you can create a function-based index.
create index my_index on my_table ( lower(column_1) );
If you're using LIKE then you have to concatenate a % around the string you're searching for.
select * from my_table where lower(column_1) LIKE lower('my...
What does [:] mean?
...nce.
Next:
x[:] = obj
Is a way to set the items (it calls __setitem__) based on obj.
and, I think you can probably guess what:
del x[:]
calls ;-).
You can also pass different slices:
x[1:4]
constructs slice(1,4,None)
x[::-1]
constructs slice(None,None,-1) and so forth. Further readin...