space

问题 It look like set tabstop=4 in VIM, but I don't know how to set it in bash for example: echo -e "1234567890\t321\n1\t2\n123\t1" current output: 1234567890 321 1 2 123 1 I want output like this: 1234567890 321 1 2 123 1 It can be shown in anywhere, just like cat somefile or php -r 'echo "\t123";' How can I set tab width in bash? 回答1: That's not a property of your shell (or php or cat). It's your terminal that manages the output. Use the tabs command to change the behavior: $ tabs 4 $ echo -e "a

问题 I am trying to figure out how to check if a character is equal to white-space in C. I know that tabs are '\t' and newlines are '\n' , but I want to be able to check for just a regular normal space (from the space-bar) inside of an if statement. Does anybody know what is the character for this? 回答1: There is no particular symbol for whitespace. It is actually a set of some characters which are customarily: ' ' space '\t' horizontal tab '\n' newline '\v' vertical tab '\f' feed '\r' carriage

问题 I am working on pie-chart. problem is it keep spacing around piechart . how can i remove extra spacing from piechart. Your answer would be appreciated 回答1: try calling setOffsets(float left, float top, float right, float bottom) on the Chart EX chart.setViewPortOffsets(0f, 0f, 0f, 0f); check Modifying the Viewport 回答2: I had the same problem and solved it by adding below line to dataset: dataSet.setSelectionShift(0f); 来源： https://stackoverflow.com/questions/37159890/how-to-remove-extra

问题 elif clocked > limit and clocked <= 90: print "Too fast! The fine is $", (clocked - limit) * 5 + 50 else: print "Thats was extremely dangerous!\nYour fine is $", \ (clocked - limit) * 5 + 250 Hi, the output for the elif would like: Too fast! The fine is $ 50. I obviously want to get rid of the space between $ 50. I know I can introduce a new variable to assign my expression and then format the variable created with no spacing but is there any way around to skip adding new variable to the code

问题 I am trying to write a program which gets user's input in a specific way. First, I input a word which contains no space; Then, I input another word which may contains space; And the program outputs the 2 words separately. For example, I input "Tom a lazy boy" Then the program outputs "Tom:a lazy boy" Here is what I attempted to do: int main(){ string a; cin >> a; string b; getline(cin, b); cout << a << ":" << b<< endl; } I tried using getline after cin, however the output looks like: "Tom: a

问题 I have a string S='ABACBADECAEF' How can I insert a space in between each 2 characters in that string. The expexted output should be: Out_S= 'AB AC BA DE CA EF' 回答1: There are a few ways you can do that. All of these methods assume that your string length is even . If you had an odd amount of characters, then the last pair of characters can't be grouped into a pair and so any of the methods below will give you a dimension mismatch or out of bounds error. Method #1 - Split into cells then use

问题 I was wondering whether it is possible to remove the unused space ( the gray space ) of the DataGridView control in C#. I have to make the DataGridView display the white table only. alt text http://www.timvw.be/wp-content/images/datagridview-to-excel-1.gif Any suggestions ? 回答1: Sometimes (especially with winforms) the best way is to hack: dataGridView1.BackgroundColor = System.Drawing.SystemColors.Control; I stole it from this post: removing the empty gray space in datagrid in c# 回答2: Set

问题 { "response": { "success": 1, "current_time": 1440089067, "raw_usd_value": 0.125, "usd_currency": "metal", "usd_currency_index": 5002, "items": { "A Brush with Death": { "defindex": [ 30186 ], "prices": { "6": { "Tradable": { "Craftable": { "0": { "currency": "metal", "value": 4, "last_update": 1436704678, "difference": -0.5 } } } } } }, "A Color Similar to Slate": { "defindex": [ 5052 ], "prices": { "6": { "Tradable": { "Craftable": { "0": { "currency": "metal", "value": 6, "last_update":

问题 Is it possible to repeat a background image, but specify a number of pixels before the next repeat starts. i.e. background: url(img.png) [after 40px] repeat-x; I don't want to add empty space to the image. 回答1: background-repeat: space; background-repeat: round; // round(520 / 100) = round(5.2) = 5 The browser will render five images in the space but adjust the image width to 104px (520px / 5). The image is made wider to fit the container. Full details here or read Background Size property 来源

问题 i have one textfield for input some serial number code.i want set this code show alert if someone use spase. it means space is not allowed and just allowed use minus for separate this code. Are you have any idea for resolve this problem? can i use jquery validate? the correct typing: 135x0001-135x0100 回答1: To prevent a space in your input element, you could do this using jQuery: Example: http://jsfiddle.net/AQxhT/ ​$('input').keypress(function( e ) { if(e.which === 32) return false; })​​​​​;​