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Diff output from two programs without temporary files
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The OP did tag the question bash, but for the record, this doesn't work in any other shell. It's a bash extension to the Posix utility standard.
– DigitalRoss
Sep 27 '10 at 0:46
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Change values while iterating
... {href http://www.google.com}]}
{[{key value} {href something}]}
This avoids creating a--possibly large--copy of type Attribute values, at the expense of slice bounds checks. In your example, type Attribute is relatively small, two string slice references: 2 * 3 * 8 = 48 bytes on a 64-bit architec...
Center/Set Zoom of Map to cover all visible Markers?
...d therefore does not do anything. To change the viewport while the map is hidden, set the map to visibility: hidden, thereby ensuring the map div has an actual size.
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Create list of single item repeated N times
...rst glance it seems that repeat is the fastest way to create a list with n identical elements:
>>> timeit.timeit('itertools.repeat(0, 10)', 'import itertools', number = 1000000)
0.37095273281943264
>>> timeit.timeit('[0] * 10', 'import itertools', number = 1000000)
0.5577236771712...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
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@mgojohn How do you do that?
– pyramidface
Jul 28 '15 at 23:42
1
@pyramidface ...
How can I move a single directory from a git repository to a new repository whilst maintaining the h
...ts in separate directories. I'd like to split the repository into new individual repositories, one for each project and then have the master repository contain the projects as submodules. I'd like to do all this whilst maintaining the revision history of the individual projects if possible.
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Anonymous recursive PHP functions
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Mind Blown! Thanks a lot! How did I not know about this till now? The amount of application I have for recursive anonymous functions is huge. Now I can finally loop through nested structures in layouts without having to explicitly define a method and keep ...
What does it mean for a data structure to be “intrusive”?
...g the necessary information for the container. That means that on the one side the data type needs to be specialized depending on how it will be stored, on the other side it means that the data "knows" how it is stored and thus can be optimized slightly better.
Non-intrusive:
template<typename ...
Convert Go map to json
...main.Foo
The thing is you cannot use integers as keys in JSON; it is forbidden. Instead, you can convert these values to strings beforehand, for instance using strconv.Itoa.
See this post for more details: https://stackoverflow.com/a/24284721/2679935
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Assign multiple columns using := in data.table, by group
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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