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Indent multiple lines quickly in vi
...n a row, such as fixing some tags pasted in to an XML file. Rather than re-select the block in visual mode each time, one can use 'gv' to reuse the last visual block. Reference superuser.com/questions/220666/…
– David Mann
May 9 '14 at 3:37
...
Why should I capitalize my SQL keywords? [duplicate]
...ors. This said, while this convention is a good thing for DML/DDL such as SELECT/INSERT queries and such, it can make for heavy look of Procedural extensions to SQL as in stored procs.
– mjv
Dec 9 '09 at 4:34
...
How to find the Windows version from the PowerShell command line
...fo. Powershell wrapper:
PS C:\> systeminfo /fo csv | ConvertFrom-Csv | select OS*, System*, Hotfix* | Format-List
OS Name : Microsoft Windows 7 Enterprise
OS Version : 6.1.7601 Service Pack 1 Build 7601
OS Manufacturer : Microsoft Corporation
OS Configuration : Stan...
How long is the SHA256 hash?
...
you can use this select statement to test it: SELECT length(to_base64(unhex(sha2('say hello to my little friend',256)))) , it is always 44 whatever the length of original string is.
– DrAhmedJava
Apr 9 '...
How to determine if Javascript array contains an object with an attribute that equals a given value?
...lt;0 || splice(index, 1) here is my a bit updated code: const index = this.selected.indexOf(this.selected.find(s => s.id == passedObj.id))
– Leonid Zadorozhnykh
Aug 24 '17 at 8:27
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Inspect hovered element in Chrome?
...er over the element to bring up the tooltip, right click as if you were to select 'Inspect Element'. Leaving that context menu open, move the focus over to the dev tools. The html for the tooltip should show up next to the element its a tooltip for in the HTML. Then you can look at it as if it were ...
Jump into interface implementation in Eclipse IDE
...y view appears
In the lower part of the view, the method should already be selected. In its toolbar, click "Lock view and show members in hierarchy" (should be the leftmost toolbar icon).
In the upper part of the view, you can browse through all implementations of the method.
The procedure isn't v...
How do I check whether a checkbox is checked in jQuery?
...sting code, you could therefore do this:
if(document.getElementById('isAgeSelected').checked) {
$("#txtAge").show();
} else {
$("#txtAge").hide();
}
However, there's a much prettier way to do this, using toggle:
$('#isAgeSelected').click(function() {
$("#txtAge").toggle(this.che...
How do I use IValidatableObject?
...ustom model binder):
var resultsGroupedByMembers = validationResults
.SelectMany(vr => vr.MemberNames
.Select(mn => new { MemberName = mn ?? "",
Error = vr.ErrorMessage }))
.GroupBy(x => x.MemberName);
foreach (v...
What is Ad Hoc Query?
... SQL query you just loosely type out where you need it
var newSqlQuery = "SELECT * FROM table WHERE id = " + myId;
...which is an entirely different query each time that line of code is executed, depending on the value of myId. The opposite of an ad hoc query is a predefined query such as a Store...