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Saving and Reading Bitmaps/Images from Internal memory in Android
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Use the below code to save the image to internal directory.
private String saveToInternalStorage(Bitmap bitmapImage){
ContextWrapper cw = new ContextWrapper(getApplicationContext());
// path to /data/data/yourapp/app_data/imageDir
File directory = cw.getDir("imageDir"...
C# nullable string error
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System.String is a reference type and already "nullable".
Nullable<T> and the ? suffix are for value types such as Int32, Double, DateTime, etc.
shar...
How to use setInterval and clearInterval?
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Never use strings with setInterval or setTimeout.
– T.J. Crowder
May 12 '11 at 13:19
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C# 操作MongoDb插入、更新、查询 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ollection != null)
{
foreach (var col in collection)
{
string id = MongoDataHelper.GetString(col, "_id");
}
}
提示函数过期警告：
warning CS0618: “MongoDB.Driver.MongoServer.Create(string)”已过时:“Use MongoClient.GetServer instead.”
解决：
MongoS...
Make JQuery UI Dialog automatically grow or shrink to fit its contents
...0px";
private void setWindowSize(int width, int height)
{
string widthScript = "$('.dialogDiv').dialog('option', 'width', " + width +");";
string heightScript = "$('.dialogDiv').dialog('option', 'height', " + height + ");";
ScriptManager.RegisterSta...
Typescript: difference between String and string
Does anyone know the difference between String and string in TypeScript? Am I correct in assuming that they ought to be the same?
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What does “Object reference not set to an instance of an object” mean? [duplicate]
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The following code is a simple way of reproducing this:
static void Main(string[] args)
{
var exampleClass = new ExampleClass();
var returnedClass = exampleClass.ExampleMethod();
returnedClass.AnotherExampleMethod(); //NullReferenceException here.
}
class ExampleClass
{
public Ret...
Warn user before leaving web page with unsaved changes
...ou can do this by handling the beforeunload event and returning a non-null string:
window.addEventListener("beforeunload", function (e) {
var confirmationMessage = 'It looks like you have been editing something. '
+ 'If you leave before saving, your changes will be l...
Read/Write 'Extended' file properties (C#)
...mation from the COM tab of the References dialog.
public static void Main(string[] args)
{
List<string> arrHeaders = new List<string>();
Shell32.Shell shell = new Shell32.Shell();
Shell32.Folder objFolder;
objFolder = shell.NameSpace(@"C:\temp\testprop");
for( int...
inserting characters at the start and end of a string
...ying to find a way to insert a number of L's at the beginning and end of a string. So if I have a string which says
7 Answ...