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How to define a preprocessor symbol in Xcode
..., and select "Add User-Defined Setting". The new setting name should be GCC_PREPROCESSOR_DEFINITIONS, and you can type your definitions in the right-hand field.
Per Steph's comments, the full syntax is:
constant_1=VALUE constant_2=VALUE
Note that you don't need the '='s if you just want to #defi...
Add single element to array in numpy
...swered Sep 7 '11 at 11:15
reader_1000reader_1000
2,2831515 silver badges1414 bronze badges
...
Determine if Android app is being used for the first time
...t is the "First time" the app is launched.
Just use a Boolean variable ("my_first_time") and change its value to false when your task for "first time" is over.
This is my code to catch the first time you open the app:
final String PREFS_NAME = "MyPrefsFile";
SharedPreferences settings = getShared...
How do I create a file and write to it in Java?
...ths.get("the-file-name.txt");
Files.write(file, lines, StandardCharsets.UTF_8);
//Files.write(file, lines, StandardCharsets.UTF_8, StandardOpenOption.APPEND);
Creating a binary file:
byte data[] = ...
Path file = Paths.get("the-file-name");
Files.write(file, data);
//Files.write(file, data, Stand...
Rails render partial with block
...Here is some content</p>
<% end %>
combined with:
# /shared/_panel.html.erb
<div class="v-panel">
<div class="v-panel-tr"></div>
<h3><%= title -%></h3>
<div class="v-panel-c">
<%= yield %>
</div>
</div>
...
“Uncaught TypeError: Illegal invocation” in Chrome
...) which is part of ES5 standard and available in all modern browsers.
var _raf = window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.msRequestAnimationFrame ||
window.oRequestAnimationFrame;
var support = {...
Why can't I use the 'await' operator within the body of a lock statement?
....Tasks;
public class SemaphoreLocker
{
private readonly SemaphoreSlim _semaphore = new SemaphoreSlim(1, 1);
public async Task LockAsync(Func<Task> worker)
{
await _semaphore.WaitAsync();
try
{
await worker();
}
finally
{...
Access-control-allow-origin with multiple domains
...
@Simon_Weaver there is a * value that allows any origin to access the resource. However the original question was asking about whitelisting a set of domains.
– monsur
Apr 29 '15 at 2:15
...
How ViewBag in ASP.NET MVC works
...
public dynamic ViewBag
{
get
{
if (_viewBag == null)
{
_viewBag = new DynamicViewData(() => ViewData);
}
return _viewBag;
}
}
share
...
How to tell PowerShell to wait for each command to end before starting the next?
... -Name $VmName -Status | ` select -ExpandProperty Statuses | ` ?{ $_.Code -match "PowerState" } | ` select -ExpandProperty DisplayStatus) -ne "VM running") { Start-Sleep -s 2 } Start-Sleep -s 5 ## Give the VM time to come up so it can accept remote requests
– an...