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How to write a simple database engine [closed]
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I recommend to read code of SQLite 2.5.0: github.com/davideuler/SQLite-2.5.0-for-code-reading, it is an early version of SQLite which can be compiled and run on modern GCC (I've tested it on MacOS 10.13 and Debian 8)
– david euler
Mar 17 '18 ...
Capture Image from Camera and Display in Activity
...n) this.findViewById(R.id.button1);
photoButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
if (checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED)
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How do I clone a subdirectory only of a Git repository?
...k to add another filter without testing. I saw now that there is however a new syntax to do it, updated (also untested, but copied from docs :-))
– Ciro Santilli 郝海东冠状病六四事件法轮功
Dec 3 '19 at 9:22
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Why is it bad practice to call System.gc()?
...ou call System.gc() after everything is set up, your data could sit in the new generation until the time comes for it to get promoted. All of a sudden your super-duper low-latency, low-GC application gets hit with a HUGE (relatively speaking, of course) latency penalty for promoting those objects du...
prevent property from being serialized in web API
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@FedorSteeman The namespace of JsonIgnore is Newtonsoft.Json, needs JSON.Net-nuget package. DataContract and DataMember -attributes on the other hand need System.Runtime.Serialization-namespace (and reference if it's missing)
– Esko
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How to get URI from an asset File?
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I tried this as new File("file:///android_asset/sounds/beep.mid");, but result file doesn't exists. Any ideas? P.S. file is in assets/sounds/ folder.
– uncle Lem
May 14 '14 at 0:15
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How can I get clickable hyperlinks in AlertDialog from a string resource?
...ic static AlertDialog create(Context context) {
final TextView message = new TextView(context);
// i.e.: R.string.dialog_message =>
// "Test this dialog following the link to dtmilano.blogspot.com"
final SpannableString s =
new SpannableString(context.getText(R.s...
Android: how to handle button click
...= (Button) findViewById(R.id.clickButton);
clickButton.setOnClickListener( new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
***Do what you want with the click here***
}
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Are single quotes allowed in HTML?
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This is similar to When did single quotes in HTML become so popular?. Single quotes around attributes in HTML are and always have been permitted by the specification. I don't think any browsers wouldn't understand them.
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how to exclude null values in array_agg like in string_agg using postgres?
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@Daud New version which could be cheaper. Take the explain output of both to be sure.
– Clodoaldo Neto
Oct 29 '12 at 17:34
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