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Is there a way to change context to iframe in javascript console?
...the console to accomplish this same thing, or do I have to click the frame selector?
– bodine
Aug 7 '13 at 23:25
@bodi...
How to comment out a block of code in Python [duplicate]
...
vim with nerdcommenter. Select the block you want and ,c<space>
– dev_nut
Oct 10 '14 at 22:37
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Error to install Nokogiri on OSX 10.9 Maverick?
...r navigating the animated GIFs here, all that I had to do was simply xcode-select --install and the gem install nokogiri worked fine.
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How to use a variable to specify column name in ggplot
... on the value if the name is not found. This is actually what happens with select, but not with group_by ... It's possible to hack around it but not obvious. If it's important to you I think it would deserve its own question.
– Moody_Mudskipper
Aug 20 '19 at 23...
jQuery: fire click() before blur() event
...opdown from stealing focus. The slight advantage is that the value will be selected when the mouse button is released, which is how native select components work. JSFiddle
$('input').on('focus', function() {
$('ul').show();
}).on('blur', function() {
$('ul').hide();
});
$('ul').on('mousedo...
How to show SQL queries run in the Rails console?
...ecord::Relation’s to_sql method:
User.where(:id => 3).to_sql
#=> "SELECT \"users\".* FROM \"users\" WHERE \"users\".\"id\" = 3"
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jQuery OR Selector?
I am wondering if there is a way to have "OR" logic in jQuery selectors. For example, I know an element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality?
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Is there a way to get element by XPath using JavaScript in Selenium WebDriver?
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For something like $x from chrome command line api (to select multiple elements) try:
var xpath = function(xpathToExecute){
var result = [];
var nodesSnapshot = document.evaluate(xpathToExecute, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null );
for ( var i=0 ...
Pandas every nth row
...] # Excludes every 3rd row starting from 0
df2 = df[df.index % 3 == 0] # Selects every 3rd raw starting from 0
This arithmetic based sampling has the ability to enable even more complex row-selections.
This assumes, of course, that you have an index column of ordered, consecutive, integers star...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...允许您修改数据库以使其兼容。
此设置会影响各种 Select 方法返回结果行的方式。
当此属性为 false 时，Select 方法返回的列表中的每个元素将是一个简单的值列表，这些值表示为每个匹配行选择的列的值。
当此属性为 true ...