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Can we define implicit conversions of enums in c#?
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Love this, but I ran into a problem: on Windows 7/.NET 4.5 this line TDerived instance = (TDerived)field.GetValue(null); results in instance being null. It seems that the Mono runtime must have a different order of type initialization than the .NET one that allows...
Catching java.lang.OutOfMemoryError?
...s where you may wish to catch an OutOfMemoryError and in my experience (on Windows and Solaris JVMs), only very infrequently is OutOfMemoryError the death-knell to a JVM.
There is only one good reason to catch an OutOfMemoryError and that is to close down gracefully, cleanly releasing resources and...
Increasing the maximum number of TCP/IP connections in Linux
...all of the bandwidth between two parties; if it isn't:
Check if your TCP window setting is large enough. Linux defaults are good for everything except really fast inet link (hundreds of mbps) or fast satellite links. What is your bandwidth*delay product?
Check for packet loss using ping with large...
App Inventor 2 数学代码块 · App Inventor 2 中文网
... 顶部 var qrcode = new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - docume...
How to choose the right bean scope?
...ean for view/request scoped data would make it to be shared among all tabs/windows in a single browser session, so the enduser may experience inconsitenties when interacting with every view after switching between tabs which is bad for user experience. Abusing a @RequestScoped bean for view scoped d...
Check if a folder exist in a directory and create them using C#
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using System;
using System.IO;
using System.Windows.Forms;
namespace DirCombination
{
public partial class DirCombination : Form
{
private const string _Path = @"D:/folder1/foler2/folfer3/folder4/file.txt";
private string _finalPath = null;
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Android Archive Library (aar) vs standard jar
... has also aar packages, which are the equivalent to the dll files in a Windows OS, as mentioned here :
4 Answers
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How to call an async method from a getter or setter?
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– Anton Sizikov
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Build fat static library (device + simulator) using Xcode and SDK 4+
...". Apple should auto-select it, but they didn't think of that)
in the main window, scroll to bottom. The very last line should read: lipo: for current configuration (Debug) creating output file: /Users/blah/Library/Developer/Xcode/DerivedData/AppName-ashwnbutvodmoleijzlncudsekyf/Build/Products/Debug...
How to emulate GPS location in the Android Emulator?
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If you're using Eclipse, go to Window->Open Perspective->DDMS, then type one in Location Controls and hit Send.
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