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Ruby - test for array
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edited Mar 30 at 18:35
siery
17311 silver badge1212 bronze badges
answered Oct 6 '09 at 20...
Compiling C++ on remote Linux machine - “clock skew detected” warning
..., or worse, necessary files to not be built.
However, if you are building from scratch (not doing an incremental build) you can likely ignore this warning without consequence.
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How do you share code between projects/solutions in Visual Studio?
...bit and the other is 32 so you do not necessarily want separate dlls built from the same code to reference form each project. This way you can mimic the c functionality of using a .h file.
– user912447
Apr 12 '13 at 17:05
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...过度），所以Android索性就把达到这种流畅的帧率规定为60fps。
有了上面的背景，我们开发App的帧率性能目标就是保持在60fps，也就是说我们在进行App性能优化时心中要有如下准则：
换算关系：60帧/秒-----------16ms/帧；
准则：...
Difference between null and empty (“”) Java String
... can still invoke methods or functions on it like
a.length()
a.substring(0, 1)
and so on.
If the String equals null, like b, Java would throw a NullPointerException if you tried invoking, say:
b.length()
If the difference you are wondering about is == versus equals, it's this:
== compares ...
I can’t find the Android keytool
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Okay, so this post is from six months ago, but I thought I would add some info here for people who are confused about the whole API key/MD5 fingerprint business. It took me a while to figure out, so I assume others have had trouble with it too (un...
How to check if a specified key exists in a given S3 bucket using Java
...GetObject access will not work. The reason being, Amazon will prevent you from checking for the presence of the key if you dont have ListBucket access. Just knowing whether a key is present or not, will also suffice for malicious users in some cases. Hence unless they have ListBucket access they wi...
Tick symbol in HTML/XHTML
... have glyphs for all the code points.
Try the following characters:
☐ (0x2610 in Unicode hexadecimal [HTML decimal: ☐]): an empty (unchecked) checkbox
☑ (0x2611 [HTML decimal: ☑]): the checked version of the previous checkbox
✓ (0x2713 [HTML decimal: ✓])
✔ (0...
How can I replace text with CSS?
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answered Dec 18 '12 at 21:03
Matthew CachiaMatthew Cachia
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pdftk compression option
... best out of all mentioned solutions for me. A few large images went down from 23MB to 1.4MB with by far the least quality loss.
– AerandiR
Feb 26 '13 at 5:19
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