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How to check if mysql database exists

...s annoying because if the database does exist any following code to define tables will bomb. I can't see how the command is useful. – Keir May 28 '18 at 3:53 ...
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How to format strings using printf() to get equal length in the output?

...nt to write several rows that are within the width of the first row like a table. int width1, width2; int values[6][2]; printf("|%s%n|%s%n|\n", header1, &width1, header2, &width2); for(i=0; i<6; i++) printf("|%*d|%*d|\n", width1, values[i][0], width2, values[i][1]); will print 2 co...
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How can I wait for set of asynchronous callback functions?

...ng a promise polyfill), then you can use ES6-specified promises. See this table for browser support. Promises are supported in pretty much all current browsers, except IE. If doAjax() returns a promise, then you can do this: var promises = []; for (var i = 0; i < 10; i++) { promises.push(...
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Can I change the color of Font Awesome's icon color?

...he problem is I sometime put <i class="icon-cog icon-white"> on the table cell which is black colored. Your css forced to change it into black also:( – HUSTEN Jan 23 '13 at 7:57 ...
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Max length for client ip address [duplicate]

... you want to do a lookup, for example, to see if the IP address is in some table, you need a "canonical representation." Converting the entire thing to a (large) number is the right thing to do. IPv4 addresses can be stored as a long int (32 bits) but you need a 128 bit number to store an IPv6 add...
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Comparison of C++ unit test frameworks [closed]

...T_EQ(1, actual) << "Should be equal to one"; } Main features: Portable Fatal and non-fatal assertions Easy assertions informative messages: ASSERT_EQ(5, Foo(i)) << " where i = " << i; Google Test automatically detects your tests and doesn't require you to enumerate them in orde...
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Batch: Remove file extension

... Thanks for the modifier/ description table Dirk. My case was getting the file name without extension from param %1 in a batch script. echo %~n1 was what I was after. – Dave Pile Nov 30 '19 at 9:13 ...
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How to keep one variable constant with other one changing with row in excel

...$A5 and A$5. This comes in handy for producing things like multiplication tables from a single formula. share | improve this answer | follow | ...
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Flask SQLAlchemy query, specify column names

... in my case, I'm using JOIN and conflict ID field which is present in both table – Mitul Shah Jun 6 '15 at 10:46 Yeah ...
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Populate nested array in mongoose

...o populate a 2 ref level deep relation. The mongoose models simply have tables = new Schema({ .. tableTypesB: { type: Schema.Types.ObjectId, ref: 'tableTypesB' }, .. } tableTypesB = new Schema({ .. tableType: { type: Schema.Types.ObjectId, ref: 'tableTypes' }, .. } then in feathersj...