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How to search a specific value in all tables (PostgreSQL)?
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How about dumping the contents of the database, then using grep?
$ pg_dump --data-only --inserts -U postgres your-db-name > a.tmp
$ grep United a.tmp
INSERT INTO countries VALUES ('US', 'United States');
INSERT INTO countries VALUES ('GB', 'United Kingdom');
The same...
Getting a list of associative array keys
...you do this:
Object.prototype.c = 3;
var dictionary = {a: 1, b: 2};
and then do a for...in loop over dictionary, you'll get a and b, but you'll also get c.
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“Variable” variables in Javascript?
... foo3 = 'baz';
var index = 1;
console.log(eval('foo' + index));
then you should be using an array instead and simply use the index to access the corresponding value:
// GOOD
var foos = ['foo', 'bar', 'baz'];
var index = 1;
console.log(foos[index - 1]);
...
Stop/Close webcam which is opened by navigator.getUserMedia
...e demo
navigator.mediaDevices.getUserMedia({audio:true,video:true})
.then(stream => {
window.localStream = stream;
})
.catch( (err) =>{
console.log(err);
});
// later you can do below
// stop both video and audio
localStream.getTracks().forEach( (track) => ...
Wrap text in tag
...o Wrap TD text
First set table style
table{
table-layout: fixed;
}
then set TD Style
td{
word-wrap:break-word
}
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What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]
...s the same thing as the dot operator in most other languages. The question then becomes, what do you call -> in C/C++ where it has different functionality from the actual dot operator?
– user229044♦
Sep 17 '10 at 16:53
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How can I exclude one word with grep?
... I want to ignore one line above and one line below with matching pattern then How can i achieve it?
– Kanji Viroja
Dec 20 '16 at 10:38
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open read and close a file in 1 line of code
...ies to do this.
Use normal syntax and it will open the file for reading then close it.
with open("/etc/hostname","r") as f: print f.read()
or
with open("/etc/hosts","r") as f: x = f.read().splitlines()
which gives you an array x containing the lines, and can be printed like so:
for line ...
How to support placeholder attribute in IE8 and 9
...ction(){
//Check to see if the user has modified the input, if not then remove the placeholder text
if($(this).val() == $(this).attr("placeholder")){
$(this).val("");
}
});
//On Blur
$(":text").blur(function(){
//Check to see if the use has mo...
Error:(1, 0) Plugin with id 'com.android.application' not found
...radle file was missing. So I just create a new project with success build. Then copy-paste the Gradle missing file. And re-build the project is working for me.
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