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What makes Lisp macros so special?
...could write a macro that lets you say something like:
(setvar *rows* (sql select count(*)
from some-table
where column1 = "Yes"
and column2 like "some%string%")
And thats not even getting into Reader macros.
Hope this helps.
...
How to clear jQuery validation error messages?
...inputs were dynamically appended during runtime). As a result, sometimes a select dropdown would need validation, and sometimes it would not. However, by the end of the ordeal, it needed to be validated. As a result, I needed a robust method which was not a workaround. I consulted the source code fo...
Push existing project into Github
...s for your existing project.
"Add New Local Repository" in repositories.
Select your existing folder. It'll ask if you want to do that, say yes.
Once done, you'll see a list of all your files, etc. Commit them.
Go to Repositories and Publish (this will create the new repo on GitHub for you, if yo...
Given a number, find the next higher number which has the exact same set of digits as the original n
...g order, there's no bigger number to be made without adding digits.)
B.1. Select the last digit of the first sequence:
3472(2) 641
B.2. Find the smallest digit in the second sequence that is larger than it:
3472(2) 6(4)1
B.3. Swap them:
3472(2) 6(4)1
->
3472(4) 6(2)1
->
34724 621
C. ...
Where is the “Fold” LINQ Extension Method?
...is in part a consequence of picking a stupid name -- though not as bad as "select" for "map" -- and ignoring existing functional technology. As for Aggregate being a more familiar term in the OO realm ... no, not at all.
– Jim Balter
Aug 23 '13 at 23:16
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How to decide font color in white or black depending on background color?
... @mwieczorek people who rely on user-generated content or randomly selected colors do.
– Marc Plano-Lesay
Sep 15 '18 at 12:54
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ResourceDictionary in a separate assembly
...n styles.xaml available via the Visual Studio 2010 Properties window? If I select an element, and then click Apply Resource for it's Background property, it only shows SystemColors and not those defined in styles.xaml. But if I type the resource name in XAML myself it works, so it is correctly refer...
Android customized button; changing text color
...color for your button, just like you did for background, for example:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<!-- Focused and not pressed -->
<item android:state_focused="true"
android:state_pressed="false"
android:color="...
Is there a NumPy function to return the first index of something in an array?
...st element. Note also that where and nonzero return arrays, so you need to select the first element to get the index.
In [71]: np.argmax(a==2)
Out[71]: 2
In [72]: np.where(a==2)
Out[72]: (array([2], dtype=int64),)
In [73]: np.nonzero(a==2)
Out[73]: (array([2], dtype=int64),)
Time comparison
Ju...
What is the difference between 'git pull' and 'git fetch'?
...irdly worded. git pull will always merge into the current branch. So you select which branch you want to pull from, and it pulls it into the current branch. The from branch can be local or remote; it can even be a remote branch that's not a registered git remote (meaning you pass a URL on the git...