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Reference - What does this error mean in PHP?

...m. (Note: You might have multiple blocks if you had code that was automatically constructed) Also make sure you don't have any Byte Order Marks in your code, for example when the encoding of the script is UTF-8 with BOM. Related Questions: Headers already sent by PHP All PHP "Headers already sen...
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What is Java String interning?

...p://docs.oracle.com/javase/7/docs/api/java/lang/String.html#intern() Basically doing String.intern() on a series of strings will ensure that all strings having same contents share same memory. So if you have list of names where 'john' appears 1000 times, by interning you ensure only one 'john' is a...
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MongoDB/Mongoose querying at a specific date?

...onents. To query those times you need to create a date range that includes all moments in a day. db.posts.find( //query today up to tonight {"created_on": {"$gte": new Date(2012, 7, 14), "$lt": new Date(2012, 7, 15)}}) s...
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Show the progress of a Python multiprocessing pool imap_unordered call?

...fully doing a multiprocessing Pool set of tasks with a imap_unordered() call: 9 Answers ...
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The model used to open the store is incompatible with the one used to create the store

...el select your new version of data model for current data model THAT'S NOT ALL ) You should perform so called "light migration". Go to your AppDelegate and find where the persistentStoreCoordinator is being created Find this line if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteS...
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“static const” vs “#define” vs “enum”

...sion for static arrays at function scope; both (2) and (3) can. Under C99, all of these can be used for local arrays. Technically, using (1) would imply the use of a VLA (variable-length array), though the dimension referenced by 'var' would of course be fixed at size 5. (1) cannot be used in place...
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How do I find out which keystore was used to sign an app?

...ture algorithm name: SHA1withRSA Then use the keytool again to print out all the aliases of your signing keystore: keytool -list -keystore my-signing-key.keystore You will get a list of aliases and their certificate fingerprint: android_key, Jan 23, 2010, PrivateKeyEntry, Certificate fingerpri...
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iOS 7's blurred overlay effect using CSS?

...s CSS Clip property that's it. I also believe this could be done dynamically for any screen if using canvas to copy the current dom and blurring it. share | improve this answer | ...
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How to determine whether a given Linux is 32 bit or 64 bit?

...wk '{print $2}' Note: you can have a 64-bit CPU with a 32-bit kernel installed. (as ysdx mentions in his/her own answer, "Nowadays, a system can be multiarch so it does not make sense anyway. You might want to find the default target of the compiler") ...
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How can we generate getters and setters in Visual Studio?

...the property directly below the private field, which bugs me, because I usually have all of my private fields grouped together, and this Visual Studio feature breaks my class' formatting. share | im...