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Recover from git reset --hard?
...r backup. Perhaps your editor/IDE stores temp copies under /tmp or C:\TEMP and things like that.[1]
git reset HEAD@{1}
This will restore to the previous HEAD
[1] vim e.g. optionally stores persistent undo, eclipse IDE stores local history; such features might save your a**
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How to define static property in TypeScript interface
...w Date(0);
Called using:
var x = new Date();
console.log(x.MinValue);
And if you want to make it available without an instance, you also can... but it is a bit fussy.
interface DateStatic extends Date {
MinValue: Date;
}
Date['MinValue'] = new Date(0);
Called using:
var x: DateStatic =...
How to prevent column break within an element?
... goals are.
UPDATE 2 Since Firefox does prevent breaking on display:table and display:inline-block a reliable but non-semantic solution would be to wrap each list item in its own list and apply the style rule there:
.x {
-moz-column-count: 3;
-webkit-column-count: 3;
column-coun...
Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...果觉得有纰漏请提交issue，如果你有更好的点子可以提交pull request。本文的示例代码主要是基于jOOR行编写的，如果想了解更多请查看这里的测试代码。
一、需求
今天一个“懒”程序员突然跑过来说：“反射好麻烦，我要提点...
Android App Not Install. An existing package by the same name with a conflicting signature is alread
...sed to sign the APKs, by default if you are running directly from your IDE and opening your Emulator, the APK installed in the Emulator is signed with your debug-key(usually installed in ~/.android/debug.keystore), so if the previous APK was signed with a different key other than the one you are cur...
Unicode character as bullet for list-item in CSS
...probably go for an image background, they're much more efficient versatile and cross-browser-friendly.
Here's an example:
<style type="text/css">
ul {list-style:none;} /* you should use a css reset too... ;) */
ul li {background:url(images/icon_star.gif) no-repeat 0 5px;}
</style>
...
How to study design patterns? [closed]
...reading about them. Take some sample implementations that you find online and build up around them.
A great resource is the Data & Object Factory page. They go over the patterns, and give you both conceptual and real world examples. Their reference material is great, too.
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How to change the font on the TextView?
...efault is Droid Sans.
Second, to change to a different built-in font, use android:typeface in layout XML or setTypeface() in Java.
Third, there is no Helvetica font in Android. The built-in choices are Droid Sans (sans), Droid Sans Mono (monospace), and Droid Serif (serif). While you can bundle yo...
What's the -practical- difference between a Bare and non-Bare repository?
I've been reading about the bare and non-bare / default repositores in Git. I haven't been able to understand quite well (theoretically) about the differences between them, and why I should "push" to a bare repository. Here's the deal:
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How do I copy the contents of one stream to another?
...s the best way to copy the contents of one stream to another? Is there a standard utility method for this?
13 Answers
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