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How to search for a string in text files?

... if 'blabla' in f.read(): print("true") Another trick: you can alleviate the possible memory problems by using mmap.mmap() to create a "string-like" object that uses the underlying file (instead of reading the whole file in memory): import mmap with open('example.txt') as f: s = mm...
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JS: iterating over result of getElementsByClassName using Array.forEach

...on (in modern browsers, at least. Older browsers returned a NodeList). In all modern browsers (pretty much anything other IE <= 8), you can call Array's forEach method, passing it the list of elements (be it HTMLCollection or NodeList) as the this value: var els = document.getElementsByClassNam...
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How to echo shell commands as they are executed

In a shell script, how do I echo all shell commands called and expand any variable names? 13 Answers ...
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Setting CSS pseudo-class rules from JavaScript

...ound: red; } assuming each element you want to affect has a unique ID to allow it to be selected. In theory the document you want is http://www.w3.org/TR/DOM-Level-2-Style/Overview.html which means you can (given a pre-existing embedded or linked stylesheet) using syntax like: document.styleShee...
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How to import a single table in to mysql database using command line

...sql file containing data in form of insert statements for table tableName. All the insert statements will be executed and the data will be loaded. share | improve this answer | ...
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Should I initialize variable within constructor or outside constructor [duplicate]

...ons: It makes it clear at a glance how the variable is initialized. Typically, when reading a program and coming across a variable, you'll first go to its declaration (often automatic in IDEs). With style 2, you see the default value right away. With style 1, you need to look at the constructor as...
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iPhone App Minus App Store?

... member of the developer program. You can then use the adhoc system to install your application onto up to 100 devices. The developer program has the details but it involves adding UUIDs for each of the devices to your application package. UUIDs can be easiest retrieved using Ad Hoc Helper available...
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How to use the “number_to_currency” helper method in the model rather than view?

... It’s not available because its use in a model (typically) violates MVC (and it does seem to in your case). You're taking data and manipulating it for presentation. This, by definition, belongs in the view, not the model. Here are some solutions: Use a presenter or view mode...
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Converting Stream to String and back…what are we missing?

... @Mortennobel ToArray() allocates a new array in memory and copies data over from the buffer, which may have serious implications if you're dealing with a lot of data. – Levi Botelho Apr 28 '19 at 21:01 ...
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Removing projects in Sublime Text 2 and 3

...le of manual ways you can remove projects. Option 1: The quick way (Clear All): If you're just looking for the fastest way to clean up your list this option is for you. Please be aware that this will clear out all projects in the recent list. This includes ones you have not deleted. In the S...