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How do I generate random numbers in Dart?
...ich delegates to window.crypto.getRandomValues() in the browser and to the OS (like urandom on the server)
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How to delete a file from SD card?
...String fullname)
{
// Note: check outside this class whether the OS version is >= 11
Uri uri = null;
Cursor cursor = null;
ContentResolver contentResolver = null;
try
{
contentResolver=context.getContentResolver();
if (contentResolve...
Make git automatically remove trailing whitespace before committing
...
Those settings (core.whitespace and apply.whitespace) are not there to remove trailing whitespace but to:
core.whitespace: detect them, and raise errors
apply.whitespace: and strip them, but only during patch, not "always au...
How to duplicate virtualenv
...nt into a file. Then i would just have to load this file in a new computer/OS and i would get all my site packages installed back
– aceminer
Jun 6 '16 at 5:29
2
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How can I remove the gloss on a select element in Safari on Mac?
On Macs and iOS devices, in Safari, a <select> element with a background color generates a gloss over itself. This does not seem to happen in other operating systems.
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How to uninstall Jenkins?
...robably very simple, but I can't find any hint anywhere. So how one is supposed to do that, in general and specifically on Mac?
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Listing all extras of an Intent
...n Intent.
import java.util.Iterator;
import java.util.Set;
import android.os.Bundle;
public static void dumpIntent(Intent i){
Bundle bundle = i.getExtras();
if (bundle != null) {
Set<String> keys = bundle.keySet();
Iterator<String> it = keys.iterator();
...
MySQL root access from all hosts
...d restart mysql
service mysql restart
By default it binds only to localhost, but if you comment the line it binds to all interfaces it finds. Commenting out the line is equivalent to bind-address=*.
To check where mysql service has binded execute as root:
netstat -tupan | grep mysql
Update Fo...
Android Studio Google JAR file causing GC overhead limit exceeded error
I am using Android Studio on OS X. I am getting this error message:
12 Answers
12
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iPhone UITextField - Change placeholder text color
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Since the introduction of attributed strings in UIViews in iOS 6, it's possible to assign a color to the placeholder text like this:
if ([textField respondsToSelector:@selector(setAttributedPlaceholder:)]) {
UIColor *color = [UIColor blackColor];
textField.attributedPlaceholder =...