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looping through an NSMutableDictionary
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you can use
[myDict enumerateKeysAndObjectsUsingBlock: ^(id key, id obj, BOOL *stop) {
// do something with key and obj
}];
if your target OS supports blocks.
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How do you make sure email you send programmatically is not automatically marked as spam?
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brandonchecketts.com/emailtest.php you can test if your mail server setup conforms to DomainKeys, DKIM, SPF and other anti-spam methods.
– Jonas
Jun 9 '10 at 7:02
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What does the tilde (~) mean in my composer.json file?
...swered Sep 24 '13 at 11:29
AlterPHPAlterPHP
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Why doesn't await on Task.WhenAll throw an AggregateException?
...they unwrap the AggregateException into the actual exception.
So, in catch block, you get the actual exception and not the aggregated one. This helps us write more natural and intuitive code.
This was also needed for easier conversion of existing code into using async/await where the a lot of code e...
How to center an element horizontally and vertically
...ents. Alternatively, you could use margin: 0 auto, assuming the element is block level.
html, body {
height: 100%;
}
.parent {
width: 100%;
height: 100%;
display: table;
text-align: center;
}
.parent > .child {
display: table-cell;
vertical-align: midd...
Is div inside list allowed? [duplicate]
...d, you'll see
<!ELEMENT li %Flow;>
<!ENTITY % Flow "(#PCDATA | %block; | form | %inline; | %misc;)*">
<!ENTITY % block
"p | %heading; | div | %lists; | %blocktext; | fieldset | table">
Thus div, p etc. can be inside li (according to XHTML 1.0 Strict DTD from w3.org).
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How can I use a batch file to write to a text file?
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It's easier to use only one code block, then you only need one redirection.
(
echo Line1
echo Line2
...
echo Last Line
) > filename.txt
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What special characters must be escaped in regular expressions?
...x Flavors (PCRE)
Includes C, C++, Delphi, EditPad, Java, JavaScript, Perl, PHP (preg), PostgreSQL, PowerGREP, PowerShell, Python, REALbasic, Real Studio, Ruby, TCL, VB.Net, VBScript, wxWidgets, XML Schema, Xojo, XRegExp.PCRE compatibility may vary
Anywhere: . ^ $ * + - ? ( ) [ ] { } \ |
Leg...
Difference between the Apache HTTP Server and Apache Tomcat? [closed]
...r. A servlet, at the end, is a Java class. JSP files (which are similar to PHP, and older ASP files) are generated into Java code (HttpServlet), which is then compiled to .class files by the server and executed by the Java virtual machine.
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How to create a printable Twitter-Bootstrap page
... Print
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.visible-print-block Hidden Visible (as block)
.visible-print-inline Hidden Visible (as inline)
.visible-print-inline-block Hidden Visible (as inline-block)
.hidden-print Visible Hid...