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How to detect Safari, Chrome, IE, Firefox and Opera browser?

I have 5 addons/extensions for FF, Chrome, IE, Opera, and Safari. 24 Answers 24 ...
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NOT IN vs NOT EXISTS

...l need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you want anyway. When neither Products.ProductID or [Order Details].ProductID allow NULLs the NOT IN will be treated identically to the following q...
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Iterating through a range of dates in Python

...e in (start_date + timedelta(n) for n in range(day_count)): print ... And no list gets stored, only one generator is iterated over. Also the "if" in the generator seems to be unnecessary. After all, a linear sequence should only require one iterator, not two. Update after discussion with John M...
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HTTP GET request in JavaScript?

... Browsers (and Dashcode) provide an XMLHttpRequest object which can be used to make HTTP requests from JavaScript: function httpGet(theUrl) { var xmlHttp = new XMLHttpRequest(); xmlHttp.open( "GET", theUrl, false ); // false fo...
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Error CS1705: “which has a higher version than referenced assembly”

I've been looking into this for a bit now and haven't gotten it resolved. I get the following error message: 20 Answers ...
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Inject service in app.config

... injection occurs in the top-level function passed to .service, so move $q and $http there. – Josh David Miller Apr 10 '13 at 23:29 1 ...
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How to check certificate name and alias in keystore files?

I have a bunch of .keystore files and need to find one with specific CN and alias. Is there a way to do it with keytool, jarsigner or some other tool? I found a way to check if specific keystore was used to sign a specific apk, but I also need to get the alias and certificate name in each of the fil...
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Convert int to char in java

...onding to '1') If you want to convert a digit (0-9), you can add 48 to it and cast, or something like Character.forDigit(a, 10);. If you want to convert an int as in ascii value, you can use Character.toChars(48) for example. ...
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How to prevent multiple instances of an Activity when it is launched with different Intents

... using the "Open" button on the Google Play Store app (previously called Android Market). It seems that launching it from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leading to multiple copies of the same Activity being launched, w...
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Connection to SQL Server Works Sometimes

...metimes able to connect to another server on the local network. It seems random whether a given connection attempt succeeds or fails. The connection is using a connection string in the form: ...