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How to invoke a Linux shell command from Java

...files in a directory and its subdirectories, recursively, in chronological order.) By the way, if somebody can tell me why I need four and eight backslashes there, instead of two and four, I can learn something. There is one more level of unescaping happening than what I am counting. Edit: Just tr...
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Join vs. sub-query

...M foo GROUP BY moo HAVING bar LIKE 'SpaceQ%' ) AS temp_foo ORDER BY bar You can nest sub-queries in multiple levels. This can help on huge datasets if you have to group or sort the results. Usually the DB-Server creates a temporary table for this, but sometimes you do not need sort...
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How to move child element from one parent to another using jQuery [duplicate]

...Query DataTables plugin. I would like to move the search box (.dataTables_filter) and number of records to display dropdown (.dataTables_length) from their parent element (.dataTables_wrapper) to another div on my page without losing any registered javascript behavior. For instance the search box ...
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Changing the size of a column referenced by a schema-bound view in SQL Server

...ing the same problem and unfortunately we are using SCHEMABINDING views in order to index the views. So in my case I'm not using SCHEMABINDING to explicitly block changes to the underlying tables but only to comply with requirements of SQL Server to used indexed views. I would also like to bypass th...
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How to access accelerometer/gyroscope data from Javascript?

...atements to figure out which event to attach to (in a somewhat prioritized order) and passes the data received to a common tilt function: if (window.DeviceOrientationEvent) { window.addEventListener("deviceorientation", function () { tilt([event.beta, event.gamma]); }, true); } els...
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?

...ent: ""; } .parent:before { top: 0; bottom: 0; left: 50%; border-left: dashed 1px #ccc; } .parent:after { left: 0; right: 0; top: 50%; border-top: dashed 1px #ccc; } .child { width: 200px; height: 200px; background: rgba(200, 198, 133, .5); } ul { ...
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How do I pull files from remote without overwriting local files?

...So you have committed your local changes to your local repository. Then in order to get remote changes to your local repository without making changes to your local files, you can use git fetch. Actually git pull is a two step operation: a non-destructive git fetch followed by a git merge. See What ...
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What is tail recursion?

... @lmray: Chris's code is essentially equivalent. The order of the if/then and style of the limiting test...if x == 0 versus if(i<=n)...is not something to get hung up on. The point is that each iteration passes its result to the next. – Taylor ...
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What is a StackOverflowError?

... is implemented correctly, you can increase the stack’s size, in order to allow a larger number of invocations. Depending on the Java Virtual Machine (JVM) installed, the default thread stack size may equal to either 512KB, or 1MB. You can increase the thread stack size using t...
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AngularJS : When to use service instead of factory

...each one of these providers is a specialized version of the other, in this order: provider > factory > value / constant / service. So long the provider does what you can you can use the provider further down the chain which would result in writing less code. If it doesn't accomplish what you ...