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Relation between CommonJS, AMD and RequireJS?

...Default from "my-module"; you will get require again. "use strict"; var _myModule = require("my-module"); var _myModule2 = _interopRequireDefault(_myModule); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } This is because require means the...
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?

... Restrictions You can ask the system catalog pg_database - accessible from any database in the same database cluster. The tricky part is that CREATE DATABASE can only be executed as a single statement. The manual: CREATE DATABASE cannot be executed inside a transaction b...
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How to ALTER multiple columns at once in SQL Server

...LE statements. Try following: ALTER TABLE tblcommodityOHLC alter column CC_CommodityContractID NUMERIC(18,0); ALTER TABLE tblcommodityOHLC alter column CM_CommodityID NUMERIC(18,0); share | improv...
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How can I select an element with multiple classes in jQuery?

...t write the selectors together without spaces in between: $('.a.b') The order is not relevant, so you can also swap the classes: $('.b.a') So to match a div element that has an ID of a with classes b and c, you would write: $('div#a.b.c') (In practice, you most likely don't need to get that...
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What is the difference between String.Empty and “” (empty string)?

...private hidebysig instance string foo() cil managed { .maxstack 8 L_0000: ldstr "foo" L_0005: ret } .method private hidebysig instance string bar() cil managed { .maxstack 8 L_0000: ldstr "bar" L_0005: ldsfld string [mscorlib]System.String::Empty L_000a: call string [msc...
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Any way to replace characters on Swift String?

...n leaves me with and optional string. Original String looks like this: "x86_64" and the new mapping looks like "Optional([\"x\", \"8\", \"6\", \"_\", \"6\", \"4\"])" – John Shelley Oct 19 '15 at 15:07 ...
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'Java' is not recognized as an internal or external command

... You need to configure your environment variables, JAVA_HOME and PATH. JAVA_HOME must contain the path to java, and you should add %JAVA_HOME%\bin to PATH Alternatively, you can simply add to your PATH the whole path to the bin folder, without the JAVA_HOME variable, however, t...
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Why can't I use background image and color together?

...aph-paper with light blue tint, if you had the png. Note that the stacking order might work in reverse to your mental model, with the first item being on top. Excellent documentation by Mozilla, here: https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Using_multiple_backgrounds Tool for build...
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How to set environment variable or system property in spring tests?

...u have definitions via @TestPropertySource or a similar method - the exact order in which properties are loaded can be found in the Spring documentation chapter 24. Externalized Configuration. share | ...
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?

...es it slow. assertFalse(%HasFastProperties(proto)); DoProtoMagic(proto, set__proto__); // Making it a prototype makes it fast again. assertTrue(%HasFastProperties(proto)); Reading and running this test shows us that this optimization indeed works in v8. However - it would be nice to see how. If we ...