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Get MIME type from filename extension
...dd double checks and provide fail safe action for every step.
MimeMapping._mappingDictionary.AddMapping(string fileExtension, string mimeType)
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How to convert AAR to JAR
... When I run the jar xf, I get nothing: C:\Program Files\Java\jdk1.7.0_25\bin>jar xf c:\dev\1\android-maps-utils- 0.2.1.jar C:\Program Files\Java\jdk1.7.0_25\bin>
– Nestor
Jan 28 '14 at 22:56
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Split code over multiple lines in an R script
...two step solution.
1) Bring the text string in across multiple lines
long_string <- "this
is
a
long
string
with
whitespace"
2) R will introduce a bunch of \n characters. Strip those out with strwrap(), which destroys whitespace, per the documentation:
strwrap(long_string, width=10000, sim...
Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...cloudimmunity.com/gotchas-and-common-mistakes-in-go-golang/index.html#stack_heap_vars
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Android: install .apk programmatically [duplicate]
...setData(Uri) and setType(String).
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/download/" + "app.apk")), "application/vnd.android.package-archive");
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActi...
Android Camera : data intent returns null
...nly when passing back a thumbnail in the returned Intent. If you pass EXTRA_OUTPUT with a URI to write to, it will return a null intent and the picture is in the URI that you passed in.
You can verify this by looking at the camera app's source code on GitHub:
https://github.com/android/platform_p...
How do I declare a global variable in VBA?
... function:
Public iRaw As Integer
Public iColumn As Integer
Function find_results_idle()
iRaw = 1
iColumn = 1
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C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
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使用SAFEARRAR实现二维数组的源代码如下：
VARTYPE vt = VT_I4; /*数组元素的类型，long*/
SAFEARRAYBOUND sab[2]; /*用于定义数组的维数和下标的起始值*/
sab[0].cElements = 2;
sab[0].lLbound = 0;
sab[1].cElements = 2;
sab[1].lLbou...
difference between primary key and unique key
...edited Mar 17 '17 at 9:27
stuart_mad
12511 silver badge1414 bronze badges
answered Jun 26 '12 at 0:14
dhidhi
...
Why do we need a pure virtual destructor in C++?
...mp; aModelConf);
virtual ~IParams() = 0;
void setParameter(const N_Configuration::Parameter& aParam);
std::map<std::string, std::string> m_Parameters;
};
struct NumericsParams : IParams
{
NumericsParams(const ModelConfiguration& aNumericsConf);
virtual ~NumericsP...