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SQLite UPSERT / UPDATE OR INSERT
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Why can't I use this on android? I tried db.execSQL("insert into bla(id,name) values (?,?) on conflict(id) do update set name=?"). Gives me a syntax error on the word "on"
– Bastian Voigt
Nov 23 '18 at 6:25
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How do I use disk caching in Picasso?
I am using Picasso to display image in my android app:
9 Answers
9
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Fragments onResume from back stack
I'm using the compatibility package to use Fragments with Android 2.2.
When using fragments, and adding transitions between them to the backstack, I'd like to achieve the same behavior of onResume of an activity, i.e., whenever a fragment is brought to "foreground" (visible to the user) after popin...
Android - Set fragment id
How can I set a Fragment 's Id so that I can use getSupportFragmentManager().findFragmentById(R.id.--) ?
7 Answers
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How do I get the resource id of an image if I know its name?
How do I get the resource id of an image if I know its name (in Android)?
5 Answers
5
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How to prevent going back to the previous activity?
... Thanks you, I tried to find this for about three days. Because of android:noHistory="true" flag for Activity don't work as expected (noHistory flag recreates activity after minimization) and finish() sometimes don't worked for me, but why I still don't understood.
– De...
Fragment MyFragment not attached to Activity
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developer.android.com/reference/android/app/… ...there's also isDetached(), that was added on API level 13
– Lucas Jota
Mar 21 '14 at 12:42
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URLEncoder not able to translate space character
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dependencies {
compile 'com.google.guava:guava:23.0'
// or, for Android:
compile 'com.google.guava:guava:23.0-android'
}
You can use UrlEscapers:
String encodedString = UrlEscapers.urlFragmentEscaper().escape(inputString);
Don't use String.replace, this would only encode the spa...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注IT技能提升
...值最好用fabs(i) < 0.0000001
下面再来看看浮点数在内存中是如何表示的吧。
如：125.5 = 1111101.1(1.1111011*2^6)，三个段分别为 0, 10000101(127+6=133), 11110110000000000000000
下面提供一个Demo，大家有兴趣的话可以直接修改自行验证其他的例...
2016创业不是坑,是太坑！总结给创业者的七条建议！ - 资讯 - 清泛网 - 专注...
...币贬值+银行坏账问题集中爆发”的现实组合，我们又该如何生存和生长？
创业本身一件厚积薄发的事情，年轻还是要多学习，少看创业课，多学学实际的别老总想搞个大新闻。
作者：头条号 / 小萍姑娘
链接：http://toutiao.c...