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Check folder size in Bash
...arent sizes, rather than disk usage; although the apparent size is usually smaller, it may be larger due to holes in ('sparse')
files, internal fragmentation, indirect blocks, and the like
And of course theres no need for -h (Human readable) option inside a script.
Instead You can use ...
What is declarative programming? [closed]
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It will be really great if you can mention on how it is different from imperative programming (languages like C, C++, C#) then it will be more easier for readers to make out the difference.
– RBT
Dec...
Find value in an array
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array.select{} will go through all elements in the array looking those which match the condition. array.find instead will return the first element that match the condition. So preferable use array.find{ |e| e == 3 } then array.select{ |e| e == 3 }.first
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Trim spaces from end of a NSString
...substringWithRange:NSMakeRange(location, i - location)];
}
So now just call it. Supposing you have a string that has spaces on the front and spaces on the end and you just want to remove the spaces on the end, you can call it like this:
NSString *oneTwoThree = @" TestString ";
NSString *resul...
App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
...hen webview is swiped
WebViewStringChanged(value)
When the JavaScript calls AppInventor.setWebViewString this event is run.
方法
AllowGeolocationAccess(allow,remember)
Method for AllowGeolocationAccess
CanGoBack()
Gets whether this WebView has a back histor...
Change One Cell's Data in mysql
...nly one cell of a mysql table.
I have problem with UPDATE because it makes all the parameters in a column change but I want only one changed. How?
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Apple Mach-O Linker Error when compiling for device
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Here is permanent solution.Generally overwriting project may cause this prolems.Try this method.
-UPDATE - Clang error - Mach-O Linker error
In some case error log window displaying .xctest error, to fix it
-> Select your project
-> Beside this(ju...
Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...xternal domains. For an example of why this is necessary, imagine accidentally visiting evilsite.com, that serves up a page with <script src="yourbank.com/index.html">. (yes, we're pointing that script tag at html, not JS). This will result in a script error, but the error is interesting be...
Error: Jump to case label
...code, if foo equals 1, everything is ok, but if it equals 2, we'll accidentally use the i variable which does exist but probably contains garbage.
switch(foo) {
case 1:
int i = 42; // i exists all the way to the end of the switch
dostuff(i);
break;
case 2:
dostuff(i*2); // i is ...
Resize image in PHP
I'm wanting to write some PHP code which automatically resizes any image uploaded via a form to 147x147px, but I have no idea how to go about it (I'm a relative PHP novice).
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