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How to use phpexcel to read data and insert into database?

...r->setReadDataOnly(true); $objPHPExcel = $objectReader->load("./forms/test.xlsx"); $objWorksheet = $objPHPExcel->setActiveSheetIndexbyName('Sheet1'); $starting = 1; $end = 3; for($i = $starting;$i<=$end; $i++) { for($j=0;$j<count($arrayLabel);$j+...
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HTTP vs HTTPS performance

Are there any major differences in performance between http and https? I seem to recall reading that HTTPS can be a fifth as fast as HTTP. Is this valid with the current generation webservers/browsers? If so, are there any whitepapers to support it? ...
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How to link Docker services across hosts?

...ames in your virtual network Hosts don't need full connectivity, a mesh is formed based on what peers are available, and packets will be routed multi-hop to where they need to go This leads to interesting scenarios like Create a virtual network across the WAN, none of the Docker containers will ...
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What is the exact meaning of IFS=$'\n'?

... Just to give the construct its official name: strings of the form $'...' are called ANSI C-quoted strings. That is, as in [ANSI] C strings, backlash escape sequences are recognized and expanded to their literal equivalent (see below for the complete list of supported escape sequences)...
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How would one write object-oriented code in C? [closed]

...ecifically about polymorphism, the ability of objects to take a different "form". You can certainly do interfaces and multiple inheritence in C but it's a fair bit of extra work, and you have to manage the smarts yourself rather than using C++ built-in stuff. – paxdiablo ...
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What's the difference between a Python module and a Python package?

... Packages are modules too. They are just packaged up differently; they are formed by the combination of a directory plus __init__.py file. They are modules that can contain other modules. – Martijn Pieters♦ Nov 14 '16 at 9:30 ...
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Why are Standard iterator ranges [begin, end) instead of [begin, end]?

...is somewhat off-topic, since the sequence {0, 3, 6, ..., 99} is not of the form that the OP asked about. If you wanted it to be thus, you should write a ++-incrementable iterator template step_by<3>, which would then have the originally advertised semantics. – Kerrek SB ...
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How to break out of a loop from inside a switch?

... Premise The following code should be considered bad form, regardless of language or desired functionality: while( true ) { } Supporting Arguments The while( true ) loop is poor form because it: Breaks the implied contract of a while loop. The while loop declaration sho...
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Formatting text in a TextBlock

How do I achieve formatting of a text inside a TextBlock control in my WPF application? 6 Answers ...
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How to add a separator to a WinForms ContextMenu?

... "Type here" entry field of the menu designer in the Visual Studio Windows Forms designer. The separator will appear immediately in the designer. – Buggieboy Jan 16 '13 at 18:43 ...