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Bash: Strip trailing linebreak from output

...ine character you want to remove, you can use 'head' from GNU coreutils to select everything except the last byte. This should be quite quick: head -c -1 log.txt Also, for completeness, you can quickly check where your newline (or other special) characters are in your file using 'cat' and the 'sh...
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Unable to cast object of type 'System.DBNull' to type 'System.String`

... even both. If the WHERE does not match any row, you'll get a null, if the selected row has NULL in that column, the return value is System.DBNull. – Alexander May 27 '14 at 7:52 ...
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How to turn off the Eclipse code formatter for certain sections of Java code?

... does what you want. Else there is this ugly hack String query = // "SELECT FOO, BAR, BAZ" + // " FROM ABC" + // " WHERE BAR > 4"; share | improve this answer |...
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Visual Studio 2010 - recommended extensions [closed]

...e Outliner - not available on this link. Triple Click - Makes triple click select an entire line. ItalicComments Go To Definition - Make ctrl+click perform a "Go To Definition" on the identifier under the cursor Spell Checker - not available on this link. Remove and Sort Using - Adds a context men...
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How to delete all datastore in Google App Engine?

...hboard for your app (login on appengine) then datastore --> dataviewer, select all the rows for the table you want to delete and hit the delete button (you'll have to do this for all your tables). You can do the same programmatically through the remote_api (but I never used it). If you're talki...
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How To Capture A Minidump: Let Me Count The Ways - C/C++ - 清泛网 - 专注C/C++及内核技术

... in the Applications or the Processes tabs, right click on the process and select Create Dump File. After the minidump is finished, you’ll see the dialog showing you where the dump was created. A nice hidden treat is that the path shown is a read only edit control you can select and copy so...
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Is it a good practice to use try-except-else in Python?

...ntrol." In the Python world, using exceptions for flow control is common and normal. Even the Python core developers use exceptions for flow-control and that style is heavily baked into the language (i.e. the iterator protocol uses StopIteration to signal loop termination). In addition, the try...
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Constant Amortized Time

...erations". Amortised time doesn't have to be constant; you can have linear and logarithmic amortised time or whatever else. Let's take mats' example of a dynamic array, to which you repeatedly add new items. Normally adding an item takes constant time (that is, O(1)). But each time the array is ful...
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Loading local JSON file

... If you want to let the user select the local json file (anywhere on the filesystem), then the following solution works. It uses uses FileReader and JSON.parser (and no jquery). <html> <body> <form id="jsonFile" name="jsonFile" enctype=...
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Using HTML5/Canvas/JavaScript to take in-browser screenshots

Google's "Report a Bug" or "Feedback Tool" lets you select an area of your browser window to create a screenshot that is submitted with your feedback about a bug. ...