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printf() formatting for hex
...ur "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same.
int i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("0x%08x\n", i); // gives 0x00000007
printf("%#08x\n", i); // gives 0x000007
Also changing the case of x, affects the casing o...
Capturing “Delete” Keypress with jQuery
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$('html').keyup(function(e){
if(e.keyCode == 46) {
alert('Delete key released');
}
});
Source: javascript char codes key codes from www.cambiaresearch.com
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Scala Doubles, and Precision
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this is perfect if you just need to render the value and never use it in subsequent operations. thanks
– Alexander Arendar
Dec 3 '14 at 21:20
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How and why does 'a'['toUpperCase']() in JavaScript work?
...avaScript language. To be sure that member is in the object, simply check, if it is defined:
function callMethod(method) {
return function (obj) {
if (typeof(obj[method]) == 'function') //in that case, check if it is a function
return obj[method](); //and then invoke it
}...
IList vs IEnumerable for Collections on Entities
...hat you can add to or remove from.
Typically you'll want to be able to modify an Order by adding or removing OrderLines to it, so you probably want Order.Lines to be an IList<OrderLine>.
Having said that, there are some framework design decisions you should make. For example, should it be po...
How to put more than 1000 values into an Oracle IN clause [duplicate]
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@ocdecio - my tests with Oracle 10g show different (and clearly worse) explain plans for the IN, compared to the JOIN. Personally I'd use the JOIN, and would recommend others to test different approaches to see differences in performance, rather than guess.
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Unresolved external symbol in object files
...larations, but you either:
do not define the functions in your cpp file (if you wrote this code yourself)
do not include the lib/dll file that contains the definitions
A common mistake is that you define a function as a standalone and forget the class selector, e.g. A::, in your .cpp file:
Wro...
Android Eclipse - Could not find *.apk
...elect Android from left-hand side list
Uncheck the "Is Library" checkbox
If your app project relies on library projects which are in your workspace, those of course need to have the "Is Library" box checked.
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How to fix java.net.SocketException: Broken pipe?
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Can you please help me to identify and correct it? Basically, how to confirm the reason and fix?
– Mani
Feb 22 '10 at 10:33
4
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Creating temporary files in bash
...owever, some systems (busybox ash, for one) limit this randomness more significantly than others
By the way, safe creation of temporary files is important for more than just shell scripting. That's why python has tempfile, perl has File::Temp, ruby has Tempfile, etc…
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