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Storing Image Data for offline web application (client-side storage database)
...ve an offline web application using appcaching. I need to provide it about 10MB - 20MB of data that it will save (client-side) consisting mainly of PNG image files. The operation is as follows:
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How do I get the value of text input field using JavaScript?
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Interesting. Simple test in IE8 for Win7 shows that querySelector is supported jsfiddle.net/syNvz/show and QSA too jsfiddle.net/syNvz/2/show
– Fabrício Matté
Jun 22 '13 at 4:13
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Convert an image to grayscale in HTML/CSS
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Following on from brillout.com's answer, and also Roman Nurik's answer, and relaxing somewhat the the 'no SVG' requirement, you can desaturate images in Firefox using only a single SVG file and some CSS.
Your SVG file will look l...
g++ undefined reference to typeinfo
...unction body (will contain null-pointer most likely). However, nobody prohibits you from calling this pure virtual function in a non-virtual manner, i.e. by using a fully-qualified name. In this case the linker will look for the body, and you will have to define the function. And yes, you can define...
Class method differences in Python: bound, unbound and static
... The staticmethod decorator wraps your class (...) This phrase is a bit misleading as the class which is being wrapped is the class of the method foo and not the class in which foo is defined.
– Piotr Dobrogost
Jun 25 '13 at 9:42
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Wildcards in jQuery selectors
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A bit of behavior that surprised me----if I use this with "class$=..." it searches an item's class list, not the individual class names. So it only hits if the class being searched for is the last class on that item. Haven't t...
Oracle: how to UPSERT (update or insert into a table?)
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The issue is that you have a window in between the insert and the update where another process could successfully fire a delete. I did however use this pattern on a table that never has deletes fired against it.
– chotchki
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“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed
...gement console. I was using an Ubuntu desktop running in Virtual Box on a Windows 7 desktop; copy and pasting the values from a gedit screen into the browser running on the Windows box. Once I opened the key and cert files on the same box as the web browser (Windows in this case) the certs went th...
How to use Git for Unity3D source control?
...them. Unity3D will make *.meta files for these directories and can cause a bit of a battle between team members when Git commits keep adding and removing these meta files.
Add this Git post-merge hook to the /.git/hooks/ folder for repositories with Unity3D projects in them. After any Git pull/merg...
Extract subset of key-value pairs from Python dictionary object?
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A bit shorter, at least:
wanted_keys = ['l', 'm', 'n'] # The keys you want
dict((k, bigdict[k]) for k in wanted_keys if k in bigdict)
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