DirectoryPWD = Print working Directoryrc = runcom = Run command, RC or Plan9 shellRev = REVerseRM = ReMoveRN = Read NewsRoff = runoffRPM = RPM Package Manager = RedHat Package ManagerRsh, rlogin, r = Remote in RvimRXVT = Our XVTSeamoneky = ised = Stream EDitorSeq = SEQuenceShar = SHell ARchiveSLRN = S-lang RNSSH = Secure SHellSSL = Secure Sockets LayerStty = Set TTYSu = Substitute user or Switch user (the former is more common)sudo = Superuser/substitue user do is more prone to superuser under
First type: IF condition statementThe second type: three mesh operationThe third kind of:, | | Conditional statements made up ofThe first kind: IF do not say, this is the foundation, I believe most people will;The second kind: C=a>b? True:false//means: If the a>b is true then return true, otherwise return false (of course, can be replaced with a statement), and return the result to C;The third type:1. In most languages, he means and meaning, that is, the left and right sides are true, using PHP
As follows
Copy Code code as follows:
var ary =/h/(' hello ');
alert (ary);
Error in IE6/7/8/9
The latest version of Firefox/safari/chrome/opera pops up "H"
The above wording is equivalent to
Copy Code code as follows:
var ary =/h/.exec (' hello ');
That is, the Exec method can be used in the Firefox/safari/chrome/opera browser to remove "exec" using the "regular direct amount + ()" method.
IE10 Platform Preview still does not support this
Eloquent relationships Shorthand table
there is a big pit in the Model association: When the Belongsto is reversed, the foreign key is automatically searched by the method name plus _id. In addition, the association is based on the model name plus _id as the foreign key.
Type
Define
Inverse
Remark
One to one
HasOne
Belongsto
Withdefault ()Define default foreign key→based on the model nameInverse defau
Alpha blending is often useful. Wait for me to study hard.I. INTRODUCTIONFirst look at the alpha channel, the alpha channel is the computer to store the image transparency information channel, it is a 8-bit grayscale channel, with 256 levels of gray records the image of transparent information, defined transparent, opaque, translucent, etc., where black is comple
Learn about Linux, please refer to the book "Linux should Learn"On June 30, 2016, the Kylin team announced the launch of the first alpha version of the 16.10 (yakkety Yak) operating system. Ubuntu 16.10 is currently in development, and the first alpha version of the optional flavors has been released, namely Ubuntu MATE, Lubuntu and Ubuntu Kylin. The alpha of the
platforms. You can find relevant forums, error reporting, and system requirements in the 7-zip page of Source Forge. Compression ratio lets us compare 7-zip with commonly used compression software. File Settings: Fully installed Mozilla Firefox 1.0.7 for Windows and Google Earth 3.0.0616 for Windows. The compression ratio depends on the size of the data being compressed. Typically, the 7-zip 7z format can be used in smaller 30-70% than compressed files using ZIP format. and the ZIP format
This article is a personal blog backup article, the original address:http://validvoid.net/win2d-premultiplied-alpha/There are two ways to represent the opacity of a color value in a computer drawing. Both methods are used in win2d. This article aims to explain the differences between the two methods and their respective usage scenarios.Direct Alpha (straight Alpha
ZBrush is a professional digital engraving and 3D modeling software that can be used in many areas of work and learning. But this software has a not very friendly question: it is English version. For the English is not good for us, learning and use is very troublesome. Today, I'll give you an answer to ZBrush's alpha menu.More ZBrush Tutorials: http://www.zbrushcn.com/support.html Alpha Control BoardIn ZBr
Since cloud wind started using the Pentium 200mmx CPU in March this year, it has been considering how to use the MMX technology to accelerate the Alpha hybrid operation, especially for the currently commonly used high-color mode. previously, a foreign maillist on game programming discussed the result that MMX is not conducive to the Alpha mixing of 16-bit colors. let's take a look at the updates of MMX tech
css| Filter Alpha is to set the transparency. Let's take a look at its expression format:
Filter:alpha (Opacity=opcity,finishopacity=finishopacity,Style=style,startx=startx,starty=starty,finishx=finishx,Finishy=finishy)
Wow, why so long. Yes, but these parameters have their own use.Opacity represents transparency levels, with optional values ranging from 0 to 100, 0 for full transparency, and 100 for completely opaque. The style parameter specifies th
overwritten and the painting is canceled. In this way, even if we first draw relatively close objects and then draw relatively far objects, the far objects will not overwrite the close objects.In fact, no matter whether deep testing is enabled or not, OpenGL tries to write deep data into the buffer when pixels are drawn, unless gldepthmask (gl_false) is called to disable writing. In addition to regular tests, these deep data can also be used for interesting purposes, such as creating shadows.
I
Notes
Some days did not play Flash, picked up a few exercises today, found in the Lu Congxian Web page to see the alpha channel mask incredibly will not do, error n long, finally found a word in Help, hereby face the wall detention.
Before the Flash8 version, to make a matte mask, you have to make a feather or gradient component on top of the mask block so that it can sync with the mask block, which is bad and troublesome.
Now Flash8 can make a hazy m
Relational calculus: based on predicate calculus in mathematical logicDifferent classification by predicate variable1. Tuple Relationship calculus:Primitive objects with tuple variables as predicate argumentsTuple Relationship Calculus Language alpha2. Domain Relational calculus:Base object with domain variable as predicate argumentDomain Relational Calculus language QBEtuple Relationship Calculus language Alpha(1) Simple search (i.e. without conditi
After reading the ten "serious" usage of Siri, the powerful functions of the "Siri + X" combination must be visible to everyone. If you carefully consider the ten "serious" usage we have introduced, it is not difficult to find that the combination of Siri + Wolfram Alpha has a cool gameplay. Next let's take a look at what sparks Siri + Wolfram Alpha can make.
Background:Wolfram
This tutorial mainly uses the Alpha color version of Photoshop to quickly pull out the hair, a lot of the tutorial, we can all come to master, in the future, the problem of the pull map can be adaptable, well, the following to learn it.
The most afraid of the back is to meet the plush things, the most typical example is the hair to the back, mainly because the hair is thin and irregular, if you use the Bézier curve to the back that will definitely go
When uploading files on the web, use the Upload box: this stuff is a very special object in IE (other occasionally not tested). If you write manually or other objects triggered by some event to fill the value , because of security issues, in the submission form, often will be emptied, so upload failed. simply say, unless your mouse point to the upload box on the F, IE will give you upload files! Even if you assign a f onclick handle to an object, such as: you "Click" , the same wi
Mozilla
Firefoxis a free, open source browsers for Windows, Linux, and MacOS X platforms, which are small, fast, and have other advanced features, including tabbed browsing, faster surfing on the Internet, pop-up windows, custom toolbars, extended management, and better
SearchFeatures, quick and easy sidebar.
Update log:1. Do not need to select the server (completely automatic)2. Join the Automatic Update function3. Support all intranet users4. Enhanced stability5. The server automatically resta
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