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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...ems as an Enumerable:
public class Person
{
private IList<Role> _roles;
public Person()
{
this._roles = new List<Role>();
}
public string Name { get; set; }
public void AddRole(Role role)
{
//implementation
}
public IEnumerable<...
Eclipse error “ADB server didn't ACK, failed to start daemon”
...
If you are using a sync application for the device, it could also be because there are other apps using the same 5037 port. Shut down all services running on port 5037 and try starting ADB.
To check if any application is using port 5037, use this:
...
*.h or *.hpp for your class definitions
... directly or indirectly.
It can included directly, being protected by the __cplusplus macro:
Which mean that, from a C++ viewpoint, the C-compatible code will be defined as extern "C".
From a C viewpoint, all the C code will be plainly visible, but the C++ code will be hidden (because it won't co...
Finding the id of a parent div using Jquery
...ee it :) The best way to do this is to validate it server-side, but for an app with limited scope this may not be a problem.
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Is it possible to do a sparse checkout without checking out the whole repository first?
...se-checkout init --cone # to fetch only root files
git sparse-checkout set apps/my_app libs/my_lib # etc, to list sub-folders to checkout
# they are checked out immediately after this command, no need to run git pull
Note that it requires git version 2.25 installed. Read more about it here: https:...
New features in java 7
...OutputStream(dest))
{
// code
}
Underscores in numeric literals
int one_million = 1_000_000;
Strings in switch
String s = ...
switch(s) {
case "quux":
processQuux(s);
// fall-through
case "foo":
case "bar":
processFooOrBar(s);
break;
case "baz":
processBaz(s);
...
Checking if a string is empty or null in Java [duplicate]
...ementation 'org.apache.commons:commons-text:1.7' } in build.gradle (Module app). If there is already a dependencies block then just insert a new line with this dependency. This is the latest recommended version, as of Feb '20 (see stackoverflow.com/a/55567755/1541141). Then clean and/or sync your pr...
How do you log content of a JSON object in Node.js?
...
console.log(obj);
Run: node app.js > output.txt
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Which MySQL datatype to use for an IP address? [duplicate]
I want to get the IP address from $_SERVER['REMOTE_ADDR'] and some other $_SERVER variables, which datatype is the right one for this?
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How to quickly check if folder is empty (.NET)?
...described above. 250 calls in 36ms!
private static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
private struct WIN32_FIND_DATA
{
public uint dwFileAttributes;
public System.Runtime.InteropServices.ComTypes.FILETIME ftC...