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Equation (expression) parser with precedence?
...inary (+, -, |, &, *, /, etc) operators, unary (!) operators, and parenthesis.
22 Answers
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git difftool, open all diff files immediately, not in serial
The default git diff behavior is to open each diff file in serial (wait for previous file to be closed before opening next file).
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How to asynchronously call a method in Java
... Java. As far as I've searched the common way to parallelize a method call is to do something like:
12 Answers
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+ operator for array in PHP?
...urns the right-hand array appended to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be used, and the matching elements from the right-hand array will be ignored.
So if you do
$array1 = ['one', 'two', 'foo' => 'bar'];
$array2 = [...
How to do what head, tail, more, less, sed do in Powershell? [closed]
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Get-Content (alias: gc) is your usual option for reading a text file. You can then filter further:
gc log.txt | select -first 10 # head
gc -TotalCount 10 log.txt # also head
gc log.txt | select -last 10 # tail
gc -Tail 10 log.txt # a...
Sqlite or MySql? How to decide? [closed]
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Their feature sets are not at all the same. Sqlite is an embedded database which has no network capabilities (unless you add them). So you can't use it on a network.
If you need
Network access - for example accessing from another machine;
Any real degree of concurrency - ...
View.setPadding accepts only in px, is there anyway to setPadding in dp?
...t, int bottom) only accepts values in px but I want to set padding in dp. Is there any way around it?
5 Answers
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How to call a parent method from child class in javascript?
...of the current instance, you can do:
ParentClass.prototype.myMethod.call(this)
Same goes for calling a parent method from child class with arguments:
ParentClass.prototype.myMethod.call(this, arg1, arg2, ..) * Hint: use apply() instead of call() to pass arguments as an array.
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How to delete a whole folder and content?
...nt the users of my application to be able to delete the DCIM folder (which is located on the SD card and contains subfolders).
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Auto-reload browser when I save changes to html file, in Chrome?
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I assume you're not on OSX? Otherwise you could do something like this with applescript:
http://brettterpstra.com/watch-for-file-changes-and-refresh-your-browser-automatically/
There is also a plugin for chrome called "auto refresh plus" where you can speci...