overflow

问题 This question already has answers here : Detecting signed overflow in C/C++ (12 answers) How do I detect unsigned integer multiply overflow? (31 answers) Closed 9 months ago . We know CPython promotes integers to long integers (which allow arbitrary-precision arithmetic) silently when the number gets bigger. How can we detect overflow of int and long long in pure C? 回答1: You can predict signed int overflow but attempting to detect it after the summation is too late. You have to test for

问题 I am trying to write a CSS in which when the user writes text and it overflows instead of having a scrollbar or hiding, it just goes down like in a normal Word Document or so. I have this code: #content-text { width: 960px; padding-left: 10px; padding-right:10px; text-align: left; color:#000; height:100%; margin-left: 25px; margin-right:25px; } The odd thing, is that while this code actually does what I want in IE in Firefox it overflows and becomes a scrollbar. I've tried overflow:auto;

问题 I'm looking to avoid an overflow in managed C++ (CLI). In C# there is an unchecked keyword, and in C++ overflows do not end up in exceptions. For reference, unchecked is documented here. Basically if you do: unchecked { int1 = 2147483647 + 10; //this overflows in CLI but is ok in C# and C++ } In C# it will not overflow but convert to int by taking the least significant bits. This is appropriate when you compute hash codes for example. Note: I realize there is no equivalent C++ keyword, but

问题 Looping over npz files load causes memory overflow (depending on the file list length). None of the following seems to help Deleting the variable which stores the data in the file. Using mmap. calling gc.collect() (garbage collection). The following code should reproduce the phenomenon: import numpy as np # generate a file for the demo X = np.random.randn(1000,1000) np.savez('tmp.npz',X=X) # here come the overflow: for i in xrange(1000000): data = np.load('tmp.npz') data.close() # avoid the

问题 We have a div element with lots of sub elements and this is not displaying correctly in latest Chrome (79) on Mac. We are getting two scrollbars and it looks like the list is taking up too much space and forcing the titlePanel and actionPanel out of the viewport. See screenshots. We want the UI to take up the full height of the browser window, and we want the list element to take up remaining space and have a scrollbar inside it. Correct: Not correct (notice the two blue panels and the two

问题 I have a table html table which has a column named "address". The address contains very long strings. What I want is I only want to show first 2 or 3 words of the address and when I hover over it, it should show full address. How can I do this with html table? 回答1: .cell { max-width: 50px; /* tweak me please */ white-space : nowrap; overflow : hidden; } .expand-small-on-hover:hover { max-width : 200px; text-overflow: ellipsis; } .expand-maximum-on-hover:hover { max-width : initial; } <script

问题 Please have a look at this fiddle - http://jsfiddle.net/Z27hC/ var container = document.createElement('span'); container.style.display = 'inline-block'; container.style.marginTop = '10px'; container.style.marginLeft = '50px'; container.style.background = 'lightblue'; document.body.appendChild(container); var cell = document.createElement('span'); cell.style.display = 'inline-block'; cell.style.border = ' 2px solid black'; cell.style.width = '200px'; cell.style.height = '16px'; cell.style

问题 Please have a look at this fiddle - http://jsfiddle.net/Z27hC/ var container = document.createElement('span'); container.style.display = 'inline-block'; container.style.marginTop = '10px'; container.style.marginLeft = '50px'; container.style.background = 'lightblue'; document.body.appendChild(container); var cell = document.createElement('span'); cell.style.display = 'inline-block'; cell.style.border = ' 2px solid black'; cell.style.width = '200px'; cell.style.height = '16px'; cell.style

问题 When I size my Chrome window to 328 x 455 pixels I still see a horizontal scrollbar. How can I find out which element is causing this? I've been looking elements via the developer console, but can't find the element. I then tried the script I found here, but nothing is logged. I tried it on element body , section1 and a bunch of others but don't know what else to do. $(function () { var f = $('body'); //document.getElementById("body"); var contentHeight = f.scrollHeight; var declaredHeight =