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Linux command: How to 'find' only text files?
...ay to use find to find only non-binary files:
find . -type f -exec grep -Iq . {} \; -print
The -I option to grep tells it to immediately ignore binary files and the . option along with the -q will make it immediately match text files so it goes very fast. You can change the -print to a -print0 fo...
How to find out element position in slice?
... wrote it using range.
If you happen to have a byte slice, there is bytes.IndexByte.
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What is the --save option for npm install?
...
You can also use -S, -D or -P which are equivalent of saving the package to an app dependency, a dev dependency or prod dependency. See more NPM shortcuts below:
-v: --version
-h, -?, --help, -H: --usage
-s, --silent: --loglevel silent
-q, --quiet: --loglevel warn
...
When should I use a table variable vs temporary table in sql server?
...thod is to simply test both with your specific workload).
If you need an index that cannot be created on a table variable then you will of course need a #temporary table. The details of this are version dependant however. For SQL Server 2012 and below the only indexes that could be created on tabl...
Contains case insensitive
... referrer. This method turns the string in a lower case string. Then, use .indexOf() using ral instead of Ral.
if (referrer.toLowerCase().indexOf("ral") === -1) {
The same can also be achieved using a Regular Expression (especially useful when you want to test against dynamic patterns):
if (!/R...
#import using angle brackets < > and quote marks “ ”
...ting files in Objective-C. So far my observation has been that you use the quote marks "" for files in your project that you've got the implementation source to, and angle brackets <> when you're referencing a library or framework.
...
Visual Studio immediate window command for Clear All
...ave their roots in MS-DOS DEBUG.EXE (specifically >d, >g, >p, >q, and >t come to mind).
Also worth noting, as it's only two keys to press: Context menu > Clear All invokes the same command and it can be navigated using keyboard. In the immediate window, you can press context-men...
How to check if PHP array is associative or sequential?
...Captain kurO.
For the second question (checking whether the array is zero-indexed and sequential), you can use the following function:
function isAssoc(array $arr)
{
if (array() === $arr) return false;
return array_keys($arr) !== range(0, count($arr) - 1);
}
var_dump(isAssoc(['a', 'b', 'c...
CSS3 background image transition
...he transition duration to 4s, you can see a very noticable jump when the z-index switches in the middle of the transition. At least on Chrome 35, you can shift the timing of the z-index switch and clean up the transition by changing the property value to "all 4s ease, z-index 1ms" (jsfiddle.net/eD2...
How does Git handle symbolic links?
...ut what Git does with a file by seeing what it does when you add it to the index. The index is like a pre-commit. With the index committed, you can use git checkout to bring everything that was in the index back into the working directory. So, what does Git do when you add a symbolic link to the ind...