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Match two strings in one line with grep
...o:
grep 'string1' filename | grep 'string2'
which will pipe the results from the first command into the second grep. That should give you only lines that match both.
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What's the difference between %s and %d in Python string formatting?
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from python 3 doc
%d is for decimal integer
%s is for generic string or object and in case of object, it will be converted to string
Consider the following code
name ='giacomo'
number = 4.3
print('%s %s %d %f %g' % (name,...
Detecting an “invalid date” Date instance in JavaScript
...a date
}
Update [2018-05-31]: If you are not concerned with Date objects from other JS contexts (external windows, frames, or iframes), this simpler form may be preferred:
function isValidDate(d) {
return d instanceof Date && !isNaN(d);
}
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import .css file into .less file
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From the LESS website:
If you want to import a CSS file, and don’t want LESS to process it,
just use the .css extension:
@import "lib.css"; The directive will just be left as is, and end up
in the CSS output.
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UITableView backgroundColor always gray on iPad
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Simulating iPad 2
Running iOS 7.1 through 8.3
Built from XCode 6.3
None of the above worked for my UIViewController->UITableView
Instantiate and Present a viewController in Swift
...kyy's answer works just fine! But, in case you have some trouble returning from the presented view controller, this alternative can be helpful. It worked for me!
Swift:
let storyboard = UIStoryboard(name: "MyStoryboardName", bundle: nil)
let vc = storyboard.instantiateViewControllerWithIdentifier(...
How to require a fork with composer
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composer show "spatie/laravel-backup" --all
Choose the version you want from versions in the terminal output, then require that version
composer require spatie/laravel-backup:v5.x-dev
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How to check size of a file using Bash?
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Actually it was an edit from a previous user who thought it was wrong to omit the $
– fstab
May 15 '14 at 8:37
2
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Are there constants in JavaScript?
... also use const constants instead of var constants to prevent the variable from being reassigned.
– Jarett Millard
Apr 26 '17 at 21:04
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Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*******************************************************************************)
interface
uses
Windows,
SysUtils...