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Using msbuild to execute a File System Publish Profile
...Behind the scenes the Web.config transformation and
package building is done by a massive MSBuild script that’s imported
into your project file (found at: C:\Program Files
(x86)\MSBuild\Microsoft\VisualStudio\v10.0\Web\Microsoft.Web.Publishing.targets).
Unfortunately, the script is hugely ...
how do you filter pandas dataframes by multiple columns
...ctions that you would like to use as a filter and that depend on more than one column, you can use:
df = df[df[['col_1','col_2']].apply(lambda x: f(*x), axis=1)]
where f is a function that is applied to every pair of elements (x1, x2) from col_1 and col_2 and returns True or False depending on a...
Are tuples more efficient than lists in Python?
...TORE_FAST 1 (y)
31 LOAD_CONST 0 (None)
34 RETURN_VALUE
>>> dis.dis(b)
2 0 LOAD_CONST 6 ((1, 2, 3, 4, 5))
3 STORE_FAST 0 (x)
3 6 LOAD_FAST 0 (x)
...
Why does Math.round(0.49999999999999994) return 1?
...mented as floor(x+0.5).1 This is a specification bug, for precisely this one pathological case.2 Java 7 no longer mandates this broken implementation.3
The problem
0.5+0.49999999999999994 is exactly 1 in double precision:
static void print(double d) {
System.out.printf("%016x\n", Double.do...
c++11 Return value optimization or move? [duplicate]
...rn result;
}
This will already allow the use of the move constructor, if one is available. In fact, a local variable can bind to an rvalue reference in a return statement precisely when copy elision is allowed.
Your second version actively prohibits copy elision. The first version is universally ...
Format a date using the new date time API
...rlegende_Wollmilchsau (literally “egg-laying wool-milk-sow”) An all-in-one device or person which has (or claims to have) only positive attributes and which can (or attempts to) do the work of several specialized tools. :-)
– Trevor Robinson
May 11 '17 at 2...
Can I set a breakpoint on 'memory access' in GDB?
...ns:
gdb$ rwatch *0xfeedface
Hardware read watchpoint 2: *0xfeedface
but one limitation applies to the rwatch and awatch commands; you can't use gdb variables
in expressions:
gdb$ rwatch $ebx+0xec1a04f
Expression cannot be implemented with read/access watchpoint.
So you have to expand them your...
Handling warning for possible multiple enumeration of IEnumerable
...noble, but it leaves room for too many assumptions. Do you really want someone to pass a LINQ to SQL query to this method, only for you to enumerate it twice (getting potentially different results each time?)
The semantic missing here is that a caller, who perhaps doesn't take time to read the deta...
What issues should be considered when overriding equals and hashCode in Java?
...a.hashCode() must be same as b.hashCode().
In practice:
If you override one, then you should override the other.
Use the same set of fields that you use to compute equals() to compute hashCode().
Use the excellent helper classes EqualsBuilder and HashCodeBuilder from the Apache Commons Lang lib...
How to import other Python files?
... What's the big difference between all of these, and why is one better than any other? For example 5, you write "Import files in python with the bare import command," but you also use the (bare?) import command in examples 1, 3 and 4, don't you?
– HelloGoodbye
...