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How to find the .NET framework version of a Visual Studio project?
....Net 1.0
In 2003, all projects use .Net 1.1
In 2005, all projects use .Net 2.0
In 2008, projects use .Net 2.0, 3.0, or 3.5; you can change the version in Project Properties
In 2010, projects use .Net 2.0, 3.0, 3.5, or 4.0; you can change the version in Project Properties
In 2012, projects use .Net 2...
Calculate distance between 2 GPS coordinates
... * d2r;
double dlat = (lat2 - lat1) * d2r;
double a = pow(sin(dlat/2.0), 2) + cos(lat1*d2r) * cos(lat2*d2r) * pow(sin(dlong/2.0), 2);
double c = 2 * atan2(sqrt(a), sqrt(1-a));
double d = 6367 * c;
return d;
}
double haversine_mi(double lat1, double long1, double lat2, double lo...
How do you do a ‘Pause’ with PowerShell 2.0?
... is out of scope because the original question only asked about Powershell 2.0 and excluded ISE. If you're using ISE, then just use a breakpoint.
– Ro Yo Mi
Aug 8 '17 at 13:19
4
...
Interface type check with Typescript
... object.barProperty;
}
And just as Joe Yang mentioned: since TypeScript 2.0, you can even take the advantage of tagged union type.
interface Foo {
type: 'foo';
fooProperty: string;
}
interface Bar {
type: 'bar';
barProperty: number;
}
let object: Foo | Bar;
// You will see err...
How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
...s_sums(df, 2))
Output
num_legs num_wings num_specimen_seen
0 2.0 2.0 10.0
1 4.0 0.0 NaN
2 NaN NaN 1.0
3 0.0 0.0 8.0
4 NaN 9.0 NaN
[2, 4]
Then, if you'r...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
... cat students_csv.dat
classid,name,age
1.0,"kobe",20.0
1.0,"nash",23.0
2.0,"james",18.0
2.0,"wade",19.0
2.0,"bosh",19.0
2.0,"allen",25.0
1.0,"howard",19.0
1.0,"paul",22.0
2.0,"shane",24.0
参数说明：
-csv：指明要导出为csv格式
-f：指明需要导出classid、name、age这3...
Multi-line commands in GHCi
...nce provides generalized typing that works for floats as well:
λ: addTwo 2.0 1.0
3.0
If you must provide your own typing, it seems you'll need to use let combined with multiline input (use :set +m to enable multiline input in GHCI):
λ: let addTwo :: Int -> Int -> Int
| addTwo x y = ...
Path to MSBuild
...it looks like
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\2.0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\3.5
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\4.0
may be what you're after; fire up regedit.exe and have a look.
Query via command line (per...
How do I view the list of functions a Linux shared library is exporting?
... 1: 00000000 0 FUNC GLOBAL DEFAULT UND pthread_mutex_unlock@GLIBC_2.0 (4)
2: 00000000 0 FUNC GLOBAL DEFAULT UND pthread_mutex_destroy@GLIBC_2.0 (4)
3: 00000000 0 NOTYPE WEAK DEFAULT UND _ITM_deregisterTMCloneTable
4: 00000000 0 FUNC GLOBAL DEFAULT UND ...
Remove last character from string. Swift language
...e.endIndex))
print(name) // "Dolphi"
Thanks Zmey, Rob Allen!
Swift 2.0+ Way
There are a few ways to accomplish this:
Via the Foundation extension, despite not being part of the Swift library:
var name: String = "Dolphin"
var truncated = name.substringToIndex(name.endIndex.predecessor())
p...