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Swapping two variable value without using third variable
... share an address. x != y
*x = *x xor *y //*x = 0011 xor 0011
//So *x is 0000
*y = *x xor *y //*y = 0000 xor 0011
//So *y is 0011
*x = *x xor *y //*x = 0000 xor 0011
//So *x is 0011
Should this be used?
In general cases, no. The compiler will optimize away the temporary variable and give...
What does it mean when an HTTP request returns status code 0?
... Yes, people probably get that issue a lot, since this page has had 10,000 views.
– mike nelson
Dec 7 '10 at 1:15
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HTML img scaling
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@Abdul I'm saying a 3,000x3,000 pixel 5MB image shouldn't be used in a 100x100 pixel slot in your website.
– ceejayoz
May 7 '15 at 17:41
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How to sign an android apk file
...tool -genkey -v -keystore my.keystore -keyalg RSA -keysize 2048 -validity 10000 -alias app
Step 2 or 4: Zipalign
zipalign which is a tool provided by the Android SDK found in e.g. %ANDROID_HOME%/sdk/build-tools/24.0.2/ is a mandatory optimzation step if you want to upload the apk to the Play Stor...
Parse large JSON file in Nodejs
...ient. It will also be extremely fast. A quick test showed I processed 10,000 rows in under 15ms.
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How to do paging in AngularJS?
I have a dataset of about 1000 items in-memory and am attempting to create a pager for
this dataset, but I'm not sure on how to do this.
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Microsoft CDN for jQuery or Google CDN? [closed]
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It's not an assumption. Sites in the Alexa top 200,000 using Google's CDN outnumber Microsoft's over 100:1. In terms of popularity for caching, the only point in favor of the MS jQuery CDN is that Microsoft.com uses it, which gives it a lot of exposure from that one referenc...
Converting an integer to a hexadecimal string in Ruby
...he other ruby newbies out there: "#%02x%02x%02x" % [255, 0, 10] #=> "#ff000a" - took me a bit to figure out how to send several args.
– ANeves thinks SE is evil
Mar 22 '11 at 19:08
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How to convert int to NSString?
...rs, and will honor the localization settings for the user:
NSInteger n = 10000;
NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
formatter.numberStyle = NSNumberFormatterDecimalStyle;
NSString *string = [formatter stringFromNumber:@(n)];
In the US, for example, that would create a...
What is the maximum characters for the NVARCHAR(MAX)?
...s.
Leo Tolstoj's War and Peace is a 1'440 page book, containing about 600'000 words - so that might be 6 million characters - well rounded up. So you could stick about 166 copies of the entire War and Peace book into each NVARCHAR(MAX) column.
Is that enough space for your needs? :-)
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