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How to clear ostringstream [duplicate]

...gs are set or you don't care about resetting them, then you don't need to call clear(). Usually it is easier, cleaner, and more straightforward (straightforwarder?) just to use a new std::ostringstream object instead of reusing an existing one, unless the code is used in a known performance hot spo...
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How can I get a specific number child using CSS?

I have a table whose td s are created dynamically. I know how to get the first and last child but my question is: 2 Answ...
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jQuery - Detecting if a file has been selected in the file input [duplicate]

... attach an event handler to the onchange event of the input and have that call a function to set the text in your span. <script type="text/javascript"> $(function() { $("input:file").change(function (){ var fileName = $(this).val(); $(".filename").html(fileName); });...
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How to always show scrollbar

...s="vertical" along with android:fadeScrollbars="false" or it won't show at all in some cases. share | improve this answer | follow | ...
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How can I print each command before executing? [duplicate]

... Also it may be usefull the kind of "logical brackets": OPT=$- to save all the keys, and set -$OPT to restore. – Tomilov Anatoliy Jul 10 '14 at 3:39 1 ...
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Using :before and :after CSS selector to insert Html [duplicate]

... @Foxinni the more significant reason for not allowing html inside the content parameter is the fact that CSS is designed to work in a single pass-through of the page. If there were html, that would need to be styled, which means the css would need to come back and proc...
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How to correctly sort a string with a number inside? [duplicate]

...t any ideas why I can't first remove duplicate entries ie: attr1 = set(all_names) attr1.sort(key=natural_keys) – 2one Sep 19 '19 at 10:47  |  ...
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How can I stop float left?

...ve fixes worked for me (I had the same problem), but this did: Try putting all of the floated elements in a div element: <div class="row">...</div>. Then add this CCS: .row::after {content: ""; clear: both; display: table;} ...
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Difference between onCreate() and onStart()? [duplicate]

... Take a look on life cycle of Activity Where ***onCreate()*** Called when the activity is first created. This is where you should do all of your normal static set up: create views, bind data to lists, etc. This method also provides you with a Bundle containing the activity's previously f...
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Log.INFO vs. Log.DEBUG [closed]

... I usually try to use it like this: DEBUG: Information interesting for Developers, when trying to debug a problem. INFO: Information interesting for Support staff trying to figure out the context of a given error WARN to FATAL: P...