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UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...在函数synlogin（位于uc.php中）通过函数_authcode加密数据（默认以UC_KEY作为密钥），用函数_setcookie设置cookie；
4、各个应用在适当的文件中用对应的密钥解码上面设置的cookie，得到用户id等数据；通过这个值来判断用户是否经过...
Window Features - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ts the painting of windows that called SetLayeredWindowAttributes into off-screen memory and recomposes it to achieve the desired effect.
For faster and more efficient animation or if per-pixel alpha is needed, call UpdateLayeredWindow.UpdateLayeredWindow should be used primarily when the applicati...
How do I scroll to an element using JavaScript?
...low is a better method to scroll desired element to the top of the visible screen.
– Curious101
Sep 20 '19 at 14:56
Wh...
Android: how to hide ActionBar on certain activities
I've developed a simple demo application with a splash screen a map and some regular screens.
16 Answers
...
代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...54021632-0/youngandroidproject/../build/classes/appinventor/ai_admin/AAC_3/Screen1.class at Lappinventor/ai_admin/AAC_3/Screen1;run(Lgnu/mapping/CallContext;)V:
[java] com.android.tools.r8.internal.Sb: Different stack heights at jump target: 0 != 1
[...
Specifying and saving a figure with exact size in pixels
...o show a figure of that size (matplotlib requires the figure to fit in the screen, if you ask for a size too large it will shrink to the screen size). Let's imagine you want an 800x800 pixel image just for an example. Here's how to show an 800x800 pixel image in my monitor (my_dpi=96):
plt.figure(f...
Alternate output format for psql
...ew for Postgresql 9.2; PSQL automatically fits records to the width of the screen. previously you only had expanded mode on or off and had to switch between the modes as necessary.
If the record can fit into the width of the screen; psql uses normal formatting.
If the record can not fit into the ...
Android activity life cycle - what are all these methods for?
...p
onRestart() --> onStart() --> onResume()
When any dialog open on screen
onPause()
After dismiss the dialog or back button from dialog
onResume()
Any phone is ringing and user in the app
onPause() --> onResume()
When user pressed phone's answer button
onPause()
After call end
...
is there a css hack for safari only NOT chrome?
...ification!)
And here is the code:
/* Safari 6.1-10.0 (not 10.1) */
@media screen and (min-color-index:0) and(-webkit-min-device-pixel-ratio:0)
{ @media {
.safari_only {
color:#0000FF;
background-color:#CCCCCC;
}
}}
For more 'version specific' Safari CSS, please contin...
twitter bootstrap navbar fixed top overlapping site
...ave stated adding a padding-top to body works great.
But when you make the screen narrower (to cell phone widths) there is a gap between the navbar and the body. Also, a crowded navbar can wrap to a multi-line bar, overwriting some of the content again.
This solved these kinds of issues for me
bod...