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How to use JavaScript variables in jQuery selectors?
... note that the variable used to concatenate must be non-numerical, so do toString() if id is a number.
– isync
Oct 12 '15 at 17:41
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Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
...s correct. Internally, Android uses DPI numbers (160, 320, 480, etc.), not strings, for the resource qualifiers. If the system DPI is 160 and it finds a 640 image, it will downsample it by 4, without needing to "know about" its textual qualifier. We've shipped resources that only exist in the xxxhdp...
What is the equivalent of “colspan” in an Android TableLayout?
...ap_content"
android:layout_span="2"
android:text="@string/create" />
</TableRow>
</TableLayout>
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What is the “right” JSON date format?
... This is also the preferred representations according to ECMA: JSON.stringify({'now': new Date()}) "{"now":"2013-10-21T13:28:06.419Z"}"
– Steven
Oct 21 '13 at 13:28
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Read values into a shell variable from a pipe
...is lost because the pipe creates a subshell). You can, however, use a here string in Bash:
$ read a b c <<< $(echo 1 2 3)
$ echo $a $b $c
1 2 3
But see @chepner's answer for information about lastpipe.
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Understanding prototypal inheritance in JavaScript
...r.prototype.constructor === Car, but it is equally true for Array, Object, String, ...etc.
But if you reassign a different object to prototype, that invariance is broken. Usually this is not a problem (as you have noticed), but it is better to reinstate it, because it answers the question "Which c...
Regular expression for a hexadecimal number?
...an also recognize hex patterns like: '535GH0G73' For Java, we can use e.g String.matches() for checking this.. Thank you guys for the response :)
– saurcery
Feb 10 '12 at 2:23
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How do I specify a password to 'psql' non-interactively?
...Edit
Since Postgres 9.2 there is also the option to specify a connection string or URI that can contain the username and password.
Using that is a security risk because the password is visible in plain text when looking at the command line of a running process e.g. using ps (Linux), ProcessExplo...
IF statement: how to leave cell blank if condition is false (“” does not work)
...w it isn't "blank" as such, but it's another possibility if you have blank strings in your data and "" is a valid option.
Also, count(a:a) will not count cells which have been set to n/a by doing this.
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Render HTML to an image
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@Subho it's a String containing the URL with base64-encoded data
– tsayen
Feb 14 '17 at 16:00
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