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Changing the default folder in Emacs
...point. "Customize Emacs" under "Options" allowed me to inhibit the startup screen. Now when I open emacs I go immediately to the scratch buffer. When I type C-x C-f in the scratch buffer I get the exact response I want.
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淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...超过20， 同时还节省了cookie存 储有效信息的空间，因为默认每个cookie都会有大约50个字节的元信息来描述cookie。
除了淘宝目前的session框 架的实现方式以外，其实集中式session管理来完成，说具体点就是多个无状态的应用节点连...
Chrome DevTools Devices does not detect device when plugged in
...the easiest of the two since it doesn't require going into several setting screens to access it.
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How to increase scrollback buffer size in tmux?
...ust be closed in order for this change to take an effect. Coming from GNU screen I assumed each new screen session would source the ~/.tmux.conf but that is not the case. Only when all tmux sessions are closed and new one is opened does the change to the ~/.tmux.conf have an effect.
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
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this works, but if i rotate my screen, my app crashes with this exception: Caused by: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
– jramoyo
Aug 15 '13 at 8:10
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Integrating the ZXing library directly into my Android application
... This answer is dwarfed by the other answers here. Most with screen shots and such. Thats a shame as this is the only answer that actually works! Pay attention to this one. What he didn't mention is the linked project is a branch where someone made this difficult library into a easy (a...
Creating a blurring overlay view
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Core Image
Since that image in the screenshot is static, you could use CIGaussianBlur from Core Image (requires iOS 6). Here is sample: https://github.com/evanwdavis/Fun-with-Masks/blob/master/Fun%20with%20Masks/EWDBlurExampleVC.m
Mind you, this is slower th...
How do I set the default font size in Vim?
...useful to anyone else, here’s how to set the font conditionally from the screen DPI (Windows only):
set guifont=default
if has('windows')
"get dpi, strip out utf-16 garbage and new lines
"system() converts 0x00 to 0x01 for 'platform independence'
"should return something like 'PixelsP...
How do you load custom UITableViewCells from Xib files?
...r:
Right click on File's Owner to pull up the list of connections
Take a screen capture with Command-Shift-4 (drag to select the area to be captured)
x out the connections from File's Owner
Right click on the UITableCell in the Object hierarchy and re-add the connections.
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Android: How can I validate EditText input?
...atural way on android. But when we have considerable amount of elements on screen which need validation, toasts don't seem to be the correct choice.(IMHO,It would annoy the user) I have been experimenting with TextView.setError() (developer.android.com/reference/android/widget/…
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