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Is there a better way to express nested namespaces in C++ within the header
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– Justin Time - Reinstate Monica
Apr 12 '16 at 18:05
2
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surface plots in matplotlib
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ax = fig.add_subplot(111, projection='3d')
x = y = np.arange(-3.0, 3.0, 0.05)
X, Y = np.meshgrid(x, y)
zs = np.array(fun(np.ravel(X), np.ravel(Y)))
Z = zs.reshape(X.shape)
ax.plot_surface(X, Y, Z)
ax.set_xlabel('X Label')
ax.set_ylabel('Y Label')
ax.set_zlabel('Z Label')
plt.show()
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Rename MySQL database [duplicate]
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answered Dec 19 '12 at 3:05
janjan
1,12011 gold badge99 silver badges1111 bronze badges
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Foreign keys in mongo?
...ones"})
> db.foo.find()
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group" : "phones" }
{ "_id" : ObjectId("4df6540fe90592692ccc9941"), "group" : "phones" }
>db.foo.find({'_id':ObjectId("4df6539ae90592692ccc9940")})
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group...
When do I need to use a semicolon vs a slash in Oracle SQL?
...ry confusing:
SQL*Plus: Release 11.2.0.1.0 Production on Wed Apr 18 12:38:05 2012
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning and OLAP options
SQL> @drop
Table dropped.
dr...
What's the difference between an exclusive lock and a shared lock?
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answered Aug 22 '13 at 4:05
user2155031user2155031
2111 bronze badge
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Why doesn't the JVM cache JIT compiled code?
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– maaartinus
Jul 24 '14 at 2:05
1
I would personally be fine with a "just persist the JIT ...
Embed git commit hash in a .Net dll
...albacore
– kornman00
Feb 4 '14 at 8:05
5
Following project https://github.com/jeromerg/NGitVersio...
Does MySQL ignore null values on unique constraints?
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Result:
x
NULL
NULL
1
This is not true for all databases. SQL Server 2005 and older, for example, only allows a single NULL value in a column that has a unique constraint.
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Do try/catch blocks hurt performance when exceptions are not thrown?
...is ignorable.
– awe
Aug 27 '09 at 6:05